THE 2016 FEDERAL GOVERNMENT BUDGET

Talk to Economics and Business Educators NSW annual conference, Burwood

In this talk I’m not going to give you the basic budget details that you could get - and probably already have got - from many other sources. Rather, I’m going to focus on just a couple of analytical issues about the budget that are new, tricky and contentious. My hope is that, by doing so, I’ll be giving you something new or newish to think about and also get you ready for any curly questions your students may ask.

In our study of the budget in Year 12 we tend to focus on the budget’s effect on the macro economy - on its role in macroeconomic management. But I’m a great believer in the Year 11 point that the budget also has two other economic effects - on the allocation of resources (what today we’d call microeconomic policy) and on the distribution of income - the equity or fairness perspective.

I’ll get to a discussion of the budget and fiscal policy’s role in the policy mix, but first I want to talk about the budget as tax reform, meaning I’ll consider its measures from the efficiency and equity perspective. In particular, I’ll look at the phased reduction in the rate of company tax.

The budget as tax reform

The government spent much of its first term grappling with the possibilities for reform of the tax system and, though we didn’t get the promised green paper/white paper process, five major tax measures were included in the budget. We got a tiny tax cut worth about $6 a week to the top quarter of taxpayers, costing the budget $4 billion over four years - the budget year, 2016-17, plus three further years. We also got a reduction in the rate of company tax, to be phased in over 10 years, with the cost to the budget in the first four years of $5.3 billion.

That gives us a total cost of $9.3 billion to a budget not expected to be back into surplus until 2020-21. So the budget also announced three tax savings measures. First, further hefty increases in the tobacco excise, worth $5.2 billion over the four years. Second, a crackdown on multinationals’ tax avoidance, including introduction of a diverted profits tax - the Google tax - that should raise at least a net $3.3 billion over the period. And third, a rejig of the superannuation tax concessions that should reduce the concessions enjoyed by very high income-earners by $6 billion, but increase the concessions to people on middle and low incomes - particularly women - by $2.8 billion, thus yielding a net saving of $3.2 billion over the four years.

Pulling all that together, we have tax cuts costing $9.3 billion, less tax increases totalling $11.7 billion, yielding a net increase in taxation over the period. There are a few things to note about this. One is that the tax increases were essentially copied from Labor. Another is that the cost of phasing in the reduction in company tax will progressively get a lot higher over the remaining six years, with a cumulative cost over the period of $48.2 billion. Our best available (unofficial) estimate is that, when fully phased in, the company tax cut will have an annual cost of $16 billion. So, viewed as a tax reform package, the changes announced in the budget are by no means revenue neutral, let alone revenue positive, as the story for the first four years implies. They’re revenue negative. Scrutiny of the budget’s “medium-term projections” out 10 years to 2026-27, suggest the package’s net cost will be covered by avoiding any further, bracket-creep-returning cuts in income tax until 2022-23, and by settling for a budget surplus in the last seven years of the projection that plateaus at a tiny 0.2 per cent of GDP (about $3.5 billion in today’s dollars).

Viewed as tax reform, the package is mixed. It doesn’t add up to an integrated program. The income tax cut is neither here nor there and the tobacco excise increase seems motivated more by revenue raising than improving smokers’ health. On the other hand, the super changes are genuine reform, while the moves to curb multinational tax avoidance are needed to help protect “voluntary compliance” by ordinary taxpayers and are likely to be increasingly effective as other, international measures come on line. Finally, the international economic agencies and many economists believe the most significant single reform we could make to encourage growth is to cut the company tax rate.

Leaving consideration of the company tax cut aside for a moment, it’s hard to see that the other measures will do much to make the allocation of resources more efficient or foster growth and jobs. The government’s claim that they will hasn’t been substantiated. On the other hand, some high income earners will claim that the tightening up of their super tax concessions will discourage saving, but it’s more likely merely to affect their choice of tax-preferred vehicle for their savings.

From an equity perspective, the effects of most of the measures are easily assessed. The tax cut is regressive, but only to a minor extent. Technically, the increase in tobacco excise is highly regressive, but not if you think discouraging low income earners from smoking will be of benefit to them. The super tax changes are progressive, making the concessions significantly less unfair. It’s hard to analyse the anti-multinational tax avoidance measures in conventional terms, although it’s obvious most Aussies think it’s an improvement to have foreigner companies “paying their fair share of tax in Australia”.

Analysing the cut in company tax

From an economic perspective, the plan to phase down the rate of company tax from 30 per cent to 25 per cent over the 10 years to 2026-27 is the centrepiece of the budget, the aspect of it most worthy of careful analysis, but also the hardest to analyse.

The phase-in plan is to start with small and medium-size companies and work up to big business. From July 1, 2016, the rate of company tax will be cut to 27.5 per cent for all companies with a turnover of less than $10 million a year. The cuts won’t start for big business until 2024-25, when the rate for all companies will drop to 27 per cent. After that it will be cut by 1 percentage point a year, reaching 25 per cent on July 1, 2026.

There is a widespread view among voters that the more of the tax burden that’s borne by companies, the less there is to be borne by you and me. This is a misconception, arising from the public’s inability to distinguish between the initial or legal incidence of a tax and its ultimate or final or economic incidence. Your students need to be reminded that, in the end, inanimate objects such as companies don’t pay tax, only humans do. In due course, the cost or benefit of a change in the tax imposed on businesses is passed back to the employees of the business, stays with the shareholder ownership of the business or is passed forward to the customers of the business in the form of higher or lower prices.

Let’s start with the legal incidence. The existence of Australia’s almost unique system of dividend imputation - introduced by Treasurer Keating in 1987 to eliminate the “double taxation” of dividends - returns to Australian shareholders the company tax already paid on their dividends by giving them a tax credit - a “franking credit” - set at the same rate as the rate of company tax. This means a cut in the company tax rate is offset by a cut in the rate of their franking credit, leaving them only a little better off should the company increase the amount of its dividends. But roughly half the shares in Australian companies are owned by foreigners, who aren’t eligible for dividend imputation credits. This is the basis for the claim that much of the initial benefit from a cut in company tax will go to foreigners.

About a quarter of foreign equity investment in Australia comes from America, where the rate of company tax is higher than ours, at 35 per cent. American companies with dividends on their Australian investments have to pay American company tax on them, but they get a credit for the Australian company tax already paid on them. This is the basis for the claim that, by cutting our rate of company tax for American owners of Australian shares, our Treasury is just making a gift to America’s Treasury. It’s true, however, that many American companies operating in Australia use various artificial devices to delay bringing their Australian earnings on shore and having to pay more, US tax on them.

Now let’s move from the initial, legal incidence of the company tax cut to the much trickier final, economic incidence. The plain fact is that economists have no solid empirical evidence on where the burden of company tax ends up. So they rely on theories and modelling based on those theories. These theories, and assumptions flowing from them, are still contentious among economists. The models they use aren’t capable of coping with the possibility that part - maybe a lot - of the burden of company tax is passed on to consumers, so they divide it between the two main factors of production, the suppliers of equity financial capital (shareholders) and the suppliers of labour (employees).

Note that the shift from legal to economic incidence is expected to be complete only in the long term - generally taken to be 20 years - as the economy changes in response to changed prices. You will have heard the quite counter-intuitive claim that, since about half the final economic incidence of company tax is borne by wage earners, it’s wage earners who would gain most from a cut in company tax. What’s the mechanism that would bring this about, according to the theory believed by many tax economists? It’s that the higher after-tax rate of return to equity investors caused by the lower rate of company tax causes them to increase their investment in Australian businesses. This increases our companies’ investment in physical capital, which increases the productivity of their employees’ labour. When competition in the labour market ensures workers gain a share of the benefit of that higher productivity, their real, after-tax wages rise. Note that the equity investors’ increased competition for investment opportunities eventually forces down the pre-tax returns they receive.

Note too, that, because of the effect of dividend imputation, most of the increased equity investment would come from foreign investors. Remember that the main argument for a cut in the company tax rate coming from big business and even from Treasury, is that our rate is higher than most other countries, making us “uncompetitive” in the search for foreign investment.

Treasury has modelled the final, economic incidence of a simple cut in the company tax rate from 30 to 25 per cent in the long run. Note that it has included in this modelling the economic effects of the budget measures needed to cover the cost to the budget of the company tax cut. It’s most realistic scenario is that the cost of the cut is covered by higher personal income tax (such as via bracket creep).

Treasury’s results suggest that, after about 20 years, a 5 percentage-point cut in the rate of company tax would cause the level of real GDP to be about 1 per cent higher than it otherwise would be. However, because most of the increased investment would come from overseas and would thus lead to an increase in our dividend payments to foreigners, about 40 per cent of the benefits from the increased business investment would flow overseas, leaving the level of real gross national income (the bit we keep) to be only 0.6 per cent higher that otherwise after about 20 years. Within Australia, the main benefit would come in the form of the level of real, before-tax wages being 1.2 per cent higher than otherwise. However, because it’s assumed the budgetary cost of the company tax is covered by higher income tax, the level of real, after-tax wages would be only 0.4 per cent higher. And note this: according to the modelling, the level of employment would be a mere 0.1 per cent higher. (Note too that, because in reality the company tax cut is to be phased in over 10 years, it could take the best part of 30 years before the full effects had flown through.)

Sorry, but this modelling - which like all modelling is full of debatable theory and assumptions - leaves me unconvinced that cutting the rate of company tax would have any great effect on “jobs and growth”.

Fiscal policy and the policy mix

Whichever way you measure it, the “stance” of fiscal policy adopted in the budget is, for all practical purposes, neutral. The budget deficit is expected to fall from $40 billion in the financial year just ending to $37 billion in the coming year, 2016-17. In principle, and using the econocrats’ shorthand way of judging it - the direction of the change in the overall budget balance - this decline in the deficit suggests the budget’s stance is contractionary. But a decline of $3 billion is equivalent to less than 0.2 per cent of GDP, which makes it too small to matter.

If you judge it the more careful, Keynesian way, which ignores the change in the cyclical component of the budget balance and focuses on the change in the structural component caused by the policy changes announced in the budget, you find that, adding up all the new measures, Mr Morrison plans to cut revenue by $1.7 billion and increase government spending by $1.4 billion, thus adding $3.1 billion to the structural deficit. In principle, this is a stimulatory stance of fiscal policy but, again, it’s too small to register. In which case, the stance is near enough to neutral.

The budget papers show the budget deficit falling only slowly from $40 billion this financial year to $6 billion in four years’ time, reaching a surplus barely on the right side of the line in 2020-21 (0.2 per cent of GDP), where it is projected to stay without growing for the following six years. When you remember the government’s goal had been to get the surplus up to at least 1 per cent of GDP by 2023-24, it’s clear the Turnbull government has abandoned the Coalition’s goal of reducing the deficit as soon as possible. And when you remember that the larger the budget deficit, the faster the public debt can be reduced, it’s in no hurry to cut its debt.

I make this point not in criticism, just to ensure you realise that the attack on debt has now been given a much lower priority. In this budget the priority has switched to cutting the rate of company tax and making a token attempt to return bracket creep.

With the economy growing at below potential for six of the past seven financial years, the budget expects economic growth in the year just ending and the coming year still to be a below-par 2.5 per annual rate, accelerating only to 3 per cent in the following year, 2017-18.

Although the stance of monetary policy has been highly stimulatory for the past three years, it obviously hasn’t been very effective in spurring the economy along. The further 0.25 percentage-point cut in the cash rate to a record low of 1.75 per cent announced on the same day as the budget is unlikely to do much to stimulate the economy, except to the extent that it seems to have reversed - for the moment, at least, the upward drift in the exchange rate.

In other words, it seems pretty clear that monetary policy has almost run out of puff. In which case, what’s left? What could the government do to give monetary policy a helping hand? Well, how about some fiscal stimulation? Not possible with the budget deficit so high? It’s not as big as it looks. The budget papers reveal (page 6.17) that the expected budget deficit for the new financial year of $37 billion includes about $36 billion in infrastructure spending. That is, the recurrent or operating budget is close to balance, and has been for a few years. The federal Treasury’s strange practice of lumping capital spending in with recurrent spending - implying that there’s something bad about failing to fully fund in the first year the construction of infrastructure that will deliver services to the economy for the following 30 or 40 years - makes little sense.

The consequences of this mentality seem particularly wrong-headed at present when the economy is running below potential, the rapid fall-off in mining construction activity is leaving room for a build-up in public construction activity, and the cost of long-term borrowing has never been lower.

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Why Turnbull's Google tax would be reasonably effective

So, Malcolm Turnbull and Scott Morrison are introducing a "Google tax" to ensure multinational companies "pay their fair share of tax in Australia". Really? You could be forgiven for being sceptical.

Does the Coalition really want to crack down on their generous mates at the big end of town? And, even if they do, how do we know a Google tax will work?

My sceptical mind (professionally trained by 40 years of living and breathing politicians) can see it all.

Big business had become disillusioned with Turnbull who, like Tony Abbott before him, had balked at increasing the goods and services tax. On no, is he a dud, too?

Turnbull knew he had to deliver "reform" for the big end of town and a cut in the rate of company tax was what it had its heart set on.

Further, he knew he had to have a project to be getting on with, a reason we needed to re-elect him, a way he could be seen to be doing what we expect of governments: adding to jobs and prosperity.

But polling shows most voters don't think cutting company tax is a good idea. Those blighters should be paying more, not less. What about all those internet companies defiantly telling a Senate committee they pay every cent they're legally required to? What about the Panama Papers?

My sceptical mind sees Turnbull realising that, if he wanted to get away with cutting company tax, he'd have to balance it by doing something big on multinational tax avoidance.

I know, let's copy the Brits' diverted profits tax, and not discourage the media from calling it the Google tax.

Look up the government's "tax integrity package" in the budget papers, and your scepticism deepens. It contains eight measures, but six of them only rate an asterisk, denoting that "a reliable estimate [of the revenue expected to be saved] cannot be provided".

The diverted profits tax is expected to raise a mere $100 million a year, and not start doing so until 2018-19.

So how come we're being told the package will raise a net $3.3 billion over four years? Because all the money will come from establishing a new "tax avoidance taskforce" and hiring hundreds more people to audit "large corporates and high wealth individuals".

Hang on. Isn't this something the government could and should have done years ago? Hasn't it actually been cutting Tax Office staff until now?

Right. Got all that? Now get this: although much of that scepticism is no doubt justified – especially in terms of motivations – I'm convinced the crackdown on multinational tax avoidance is genuine, that it started a couple of years ago, and that the new diverted profits tax is likely to be reasonably effective in collecting more revenue.

The fact is that – no doubt in response to pressure from voters and their own difficulties finding the revenue to cover all the spending they want to do – the developed countries have finally got serious about countering tax avoidance by the "transnational corporations" (including some headquartered in Oz) that have come to dominate global commerce.

This requires a high degree of co-operation between countries, and this was initiated by the G20 a few years ago, using the services of the Organisation for Economic Co-operation and Development.

During our year in the G20 presidency, Joe Hockey and Treasury became heavily committed to the organisation's BEPS – base erosion and profit shifting – project, pushing it along and vowing to set a good example to others.

A key part of the project is the "country-by-country reporting requirement" which requires big multinationals to report details of their profits, sales, employees, assets and income taxes paid in each of the countries in which they operate.

They should do this in their home country but, if they don't, any country in which they operate can demand the full report and share it (confidentially) with the other countries involved.

We put our end of the BEPS agreement through Parliament last year. Once this arrangement gets going it will greatly improve national tax authorities' ability to counter transfer pricing.

The Brits got impatient and introduced their own diverted profits tax, which involves the taxman making an estimate of the amount diverted, without the benefit of the detailed information that will soon be available. Their new tax took effect in April last year.

There are plenty of campaigners against multinational tax avoidance and they weren't impressed by the Google tax, just as they were disappointed with the final report on the BEPS project.

By now, however, they've decided the tax is reasonably effective. And Amazon has announced that it will avoid the diverted profits tax by paying ordinary tax on its retail sales in Britain rather than booking sales through Luxembourg.

That's an important point. Our version of the tax, which would apply from July next year, would be levied at the penalty rate of 40 per cent, rather the present big-company rate of 30 per cent.

So it's designed not to raise tax directly, but to encourage multinationals to avoid it by paying the right amount of ordinary company tax. Our expected collections of only $100 million a year would come just from the slow learners.

Fortunately, sometimes it's possible for our pollies to do the right thing for the wrong reasons.

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Hard-working Aussies help pay for company tax cut

I often think Scott Morrison does a remarkably good Joe Hockey impression, but in this budget he's performed a Wayne Swan sleight-of-hand that's better than Swanny ever did.

Consider this. Big business has been desperate for a higher goods and services tax. Why? Because this was the only way the government could afford to grant them their longed for cut in company tax.

So when Malcolm Turnbull balked at increasing the GST, it seemed he wouldn't be cutting company tax either.

When the budget was unveiled, however, we still saw the government committing itself to cutting the company tax rate from 30 to 25 per cent over 10 years, and making an immediate start by cutting the rate to 27.5 per cent for all companies with turnover of less than $10 million a year, from July 1.

For good measure, Turnbull and Morrison threw in a small personal tax cut for the top quarter of earners. How on earth did they afford this without a higher GST?

Over the four years of the forward estimates, the company tax phase-down will cost $5.3 billion. Add $4 billion for the personal tax cut and we have $9.3 billion to account for.

The measures in the "tax integrity package" – which include the Google tax – should raise a net $3.3 billion.

The reforms to superannuation tax concessions will save a net $3.2 billion over the period, and the further hikes in the tobacco excise should raise $5.2 billion, meaning the three big revenue-saving measures will raise a combined $11.7 billion.

This leaves the government – the one so committed to lowering taxation – $2.4 billion ahead on the deal.

Satisfied all is in order? I'm not. Once fooled by Swanny, twice shy.

This government has done nothing but complain about how Labor committed itself to two expensive new spending programs – the national disability insurance scheme and the Gonski school funding – which proved to be "uncosted and unfunded".

What Swan did was stagger the introduction of the two schemes so that they didn't cost all that much in the first four years (the ones shown in the forward estimates) but got a lot more expensive in the following years (which we couldn't see).

Get it? This is the same trick Turnbull is using to hide the unaffordability of his vastly more expensive plan to cut the company tax rate over the next 10 years.

Little wonder he was so reluctant to reveal that the cumulative cost of the company tax "glidepath" was a paltry $48.2 billion.

So we've been told how the first $5.3 billion will be funded, but not the remaining $42.9 billion.

A key figure we haven't been told is the annual cost of the tax cut once it's fully introduced. But Deloitte Access Economics' Chris Richardson's estimate is about $16 billion a year.

Clearly, this is far more than the budget's tobacco excise increase, super reforms and company tax "integrity package" are likely to be able to cover.

In the last year of the forward estimates, 2019-20, those three measures are expected to raise only about $5.1 billion.

So if Morrison can now claim that the 10-year company tax cut phase-in has been costed, can he also claim it's been funded?

He's making the same claim Swan used to make by producing the "medium-term projection" of the budget showing it returning to surplus (in 2020-21, no change from the mid-year update) and staying in surplus until 2026-27.

Trouble is, whereas in last year's budget the government's "budget repair strategy" required it to deliver surpluses "building to at least 1 per cent of gross domestic product by 2023-24", this year's projection shows the surplus plateauing at 0.2 per cent for the last six years to 2026-27.

Why? Because progress in increasing the surplus (so as to pay back more debt) has been sacrificed to covering the ever-growing cost of the cut in company tax.

The cut really becomes expensive in the last three years, when big businesses join the phase-in. You can bet this "glidepath" has been carefully structured to stop the medium-term budget projection looking too sick.

Note too that the medium-term projection assumes tax collections are capped at 23.9 per cent of GDP after 2021-22, with the possibility that any excess is used to fund bracket-creep-returning tax cuts for Morrison's "hard-working Australians".

So the projections purporting to show that the company tax cut can be funded by our settling for seven years of a budget surplus no higher than $3.5 billion in today's dollars, also rely on the assumption of no further personal tax cuts for another six years.

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How the budget stacks up as tax reform

When politicians announce a tax cut to be delivered after they've been re-elected, there are no prizes for guessing it's an electoral bribe. But they never fail to sanctify the exercise by assuring the lucky recipients that the money they're getting will do wonders for the economy.

Malcolm Turnbull is going into this election promising a pathetically small tax cut to the top quarter of taxpayers, which starts – officially, anyway – the day before the election.

Plus a one-sixth cut in the rate of company tax that's to be phased in over the next decade, starting small and ending big.

Company tax will be cut because Turnbull & Co Ava Plan to help Jobson Grothe​.

Which sounds nice. But is it good enough?

Before the last election, Tony Abbott promised to devote his first term to laying the ground for major tax reform. There'd be a full inquiry – with no restrictions on what could be considered – a green (discussion) paper and finally a white paper setting out exactly what the government planned to do in its second term if re-elected.

So we're entitled to view the tax measures announced in the budget against the major renovation we were promised.

How does the budget stack up as an exercise in tax reform? How does it measure up against the two big reform criteria of efficiency and equity (fairness)?

Well, the budget contained five big tax measures, but they don't add up to an integrated whole.

First is the tiny tax cut, which will have an annual cost of about $1 billion, and a combined cost of almost $4 billion over the four years of the "forward estimates" shown in the budget.

Then there's the plan to slowly cut the company tax rate from 30 per cent to 25 per cent, but starting with small business and working up in size, not getting to big business until 2024-25 and reaching the finishing line in 2026-27.

This will cost $700 million in the budget year, 2016-17, rising to $1.7 billion by the last year of the forward estimates, and costing $5.3 billion over the first four years.

We've subsequently been told (reluctantly) that, by 2026-27, the total cost of the phase-in will be just a fraction higher at $48.2 billion. Chris Richardson of Deloitte Access Economics estimates that, by then, the annual cost of the full cut will be $16 billion. Not cheap.

Helping to cover the cost of these personal and corporate tax cuts will be a big rise in the excise on tobacco (raising $5.2 billion over four years), the crackdown on multinationals' tax avoidance (raising about a net $3.3 billion over four years), and the net saving from various reforms of superannuation tax concessions ($3.2 billion over four years).

Let's start with equity: how do the tax measures affect the distribution of income between rich and poor households?

Since the tiny tax cut ($6 a week) goes to only the top quarter of income earners, it's "regressive" (reducing high earners' average tax rate by a higher proportion than low earners' average rate). But, obviously, not by much.

On the other hand, the superannuation changes hit the top few per cent of fund members quite hard, then give about half of those savings to members with lower incomes, particularly women. So, quite "progressive".

Strictly speaking, taxes on tobacco are highly regressive – and getting more so as the better paid give up smoking or never take it up.

But is discouraging poor people from smoking doing them harm? Not in my book.

It's a lot harder than you may imagine to determine whether cuts in company tax and reduced tax avoidance by multinational companies are progressive or regressive.

But I'll unpick that knot on another day so we can move on to efficiency. An economically efficient tax system is one that raises the revenue we need with least distortion of the choices each of us makes about working, spending, saving and investing.

Since most taxes do have effects on our choices, the efficiency objective is about choosing the combination of taxes that does least to affect them.

It's a stretch to imagine the tiny tax cut will have much effect on incentives.

And despite the government's claims about the fabulously beneficial effects of the company tax cut, if you actually read its own modelling you discover the benefits are tiny – and would take 30 years to arrive.

People hit by the super changes will tell you they'd discourage saving, but don't believe them. Their effect – if any – will be on which tax-preferred vehicle wealthy people use for their saving. Studies show high income-earners save a lot of their income regardless of the incentives offered.

But there's a class of taxes that are consciously used to discourage certain forms of behaviour. High taxes on tobacco are an example. So is a tax on emissions of carbon dioxide.

And there's another small class of taxes that can't distort behaviour because they tax only "economic rent" – the profits or other benefits people enjoy that are in excess of the returns they need to keep them doing whatever it is they've been doing.

A good example is a resource rent tax. Another is a tax on the unimproved value of land.

Judged as tax reform, this budget does little to improve efficiency by shifting the mix of taxes away from taxing "goods" (such as work) to taxing "bads" (such as pollution). Nor has it done anything to shift towards taxes than don't distort behaviour.

Though one of its first acts was to abolish a tax on a bad – the carbon tax – and a tax designed not to distort choices – the mining tax – the government has done little to replace them with anything better.

This budget is a plan for jobs and growth? Only at the rhetorical level.

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Why Turnbull's super changes are sorely needed

I'll never forget the budget of May 2006. It was during the first half of the resources boom, before the global financial crisis. The economy was booming, tax dollars were pouring into the government's coffers and it was embarrassed at the way the budget surplus kept piling up.

John Howard and Peter Costello were competing with each other to shovel money back out the door. Howard liked spending it on middle-class welfare, whereas Costello wanted to use it to cut taxes.

He was more than halfway through his eight tax cuts in a row, but in the 2006 budget he found a way to go one better. He had to fix some problems with the superannuation system, and he hit on the idea of making sweeping changes to the various super tax concessions that made them far more generous.

The changes would be pretty expensive, likely to grow rapidly every year. But that didn't matter because the budget was overflowing and mineral export prices would stay high forever. An election was coming in 2007 – when the changes would start – and voters would love 'em.

I remember business people saying privately the largesse was too good to last. Big-name economists were saying publicly the new concessions were unsustainable.

That was 10 years ago. Turned out the doubters were right, and last week it fell to the next Coalition government to correct Costello's monumental miscalculation.

People say the politicians are always tinkering with super. It's true. That's partly because, in the intervening Labor years, Wayne Swan chipped away at Costello's excesses in almost every budget.

But the measures announced last week were much more comprehensive, and braver, than anything Labor did – or has promised to do if it wins this election. This is the Libs cleaning up their own fiscal mess, and doing it at the expense of their own supporters.

You've seen all the articles by personal finance journos explaining how the changes will work and heard all the complaints from the well-lined.

So let's focus on the changes from the perspective of public policy, not your pocket. You start to understand their rationale when you realise that, until now, all the tax concessions for super have never had a formally stated objective.

The new objective is "to provide income in retirement to substitute or supplement the age pension". Which is a nice way of saying we're no longer going to let you use super to amass far more than you're ever likely to need to live on – that is, to get a tax break on savings you're intending to leave to your kids.

In principle, there are three points at which the government could tax money being saved for retirement: when you make contributions to your fund from your annual income, when the money in the fund earns interest and dividends, and when, in retirement, you withdraw money from the fund.

Under the rules Costello established, contributions are taxed at a flat 15 per cent (rather than at your "marginal" rate of income tax which, depending on the size of your income, can vary from 21c in the dollar to 47c).

Earnings in the fund are taxed at a flat 15 per cent and withdrawals are tax free.

Malcolm Turnbull's new rules would lower the annual cap on concessionally taxed contributions and lower the threshold at which concessional contributions are taxed at 30 per cent rather than 15 per cent.

They would limit to $1.6 million the amount you could have in the pension part of your fund, where no tax is charged on annual earnings. Anything in excess of that would have to stay in, or return to, the pre-retirement "accumulation" part or your fund, where earnings are taxed at 15 per cent (less tax credits from dividends).

The new rules would also impose a $500,000 lifetime cap on non-concessional (after-tax) contributions. This affects people who want to transfer other savings or inheritances or the proceeds from selling investment properties into low-taxed super.

Treasury calculates that only the top 3 or 4 per cent of fund members will be affected by these measures. So the plan is to chop back the tall poppies. Even so, because they (including yours truly) have been getting the lion's share of the concessions, by their third year these measures would be saving the budget $2.1 billion a year – and rising.

Some of this saving would be used to pay for changes that made it easier for women to build up bigger super balances despite their years of broken and part-time service.

The changes would make it much harder to use "salary sacrifice" to boost super balances (at one stage Costello was letting people like me sacrifice up to $100,000 a year – a stretch, even for me) but would encourage more savings-splitting as husbands helped wives to get higher balances.

Rather than making super concessions fairer, I'd prefer to say Turnbull's plans would make them less unfair. It would still be true that people on less than $37,000 a year got no concession on their contributions, whereas people on $180,000 to $230,000 got a saving of 32c in the dollar.

The biggest "incentives" – which apply to contributions that are compulsory anyway – go to well-off people who could, and would, save a lot of their income even without any concessions.

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How to unspin the budget

You can't look hard at the budget and its glitzy packaging without being reminded of Rob Sitch's highly educational TV show, Utopia.

My colleague Peter Martin has detected that the Turnbull government, as distinct from its Coalition predecessor, is less ideological and more evidence-based in its policy making. Its reforms to superannuation and Work for the Dole are prime examples.

That's good news. Even so, the more intelligent and articulate Malcolm Turnbull hasn't been able to withstand the pressure to use spin doctors to massage his messages to the electorate.

A better term for that dubious profession is "perception manipulators". They "operationalise" one of modern politicians' core beliefs: the perception is the reality.

The world of government is such a complicated place that reality is seen only in glimpses - which is hugely fortunate for our pollies because the reality is usually much harder and more costly to fix. It's a lot easier to manipulate the punters' perceptions of that reality.

Scott Morrison has been relentless in insisting that the budget is not just another budget, but an economic plan for jobs and growth.

Really? Name the budget that hasn't been a plan for jobs and growth.

So why the fuss this year? Because, to quote Morrison, "Australians have clearly said we must have an economic plan". How does he know what Australians have clearly said? Because that's what a few of them said to the Liberal Party's focus groups.

Feeding back to voters the sentiments they've expressed in your focus-group research is a standard perception manipulators' trick.

My guess is the government had a collection of end-of-term and pre-election bits and pieces it wanted to get up, but felt it should package them as an "overarching narrative" by saying they were a plan.

A plan about what? The usual: jobs and growth. Just about everything you do - raise the tax on cigarettes, stop wealthy people like me saving too much in tax-sheltered super accounts - can be portrayed as helping to promote jobs and growth. And they were.

Every non-plan plan needs to come in impressive packaging. The plain and earnest budget papers prepared by Treasury and Finance have long been accompanied by an overview booklet prepared by the spin doctors and disparagingly referred to by the econocrats as "the glossy".

This year there are four glossy documents, not one. And whereas the original majored in fancy graphs and tables, the extras add a lot of colour pics of good looking punters. It's fiscal bling.

Even the budget website has had the interior decorators in. You now have to click through a host of pretty fluff to find what you need.

Key to the success of perception manipulation is the use of magic words - words with strong positive or negative connotations, words that arouse emotions.

What words are guaranteed to frighten punters? Try "debt" and "deficit". What word gladdens the hearts of business people? "Growth".

And of the punters? "Jobs". They may not claim to know anything much about economics, but one thing they do know: there can never be enough jobs. Claim to be creating them and you're well on the way to the punters' tick.

This time the magic-word workhorse is "middle". Almost all Australians believe themselves to be middle class, on incomes near the middle. The higher your income, the less your ability to know where the middle is.

Morrison never actually said his tiny tax cut for people earning more than $80,000 a year was aimed at middle-income earners, all he said (correctly) was that the threshold had been set just above the average full-time wage.

That was enough to have innumerate political journalists - particularly at the ABC - saying it for him.

Trouble is, almost a third of wage-earners are part-time, not full-time. And plenty of taxpayers aren't employees. What's more, the relatively small number of people on super-high incomes means that the "average" or mean taxpayer's income is well above the middle (or median) taxpayer's income.

All this explains why the tax cut will go to only about the top quarter of taxpayers. That's the middle?

These days, no self-respecting perception manipulator fails to pull some "modelling" out of his bag of tricks. The results of the modelling are almost invariably misrepresented, being made to sound more significant than they are.

The spin meisters​ pray the media won't actually look at the modelling, and their prayers are almost always answered.

You can blame it all on ever-declining standards of political behaviour - which Turnbull's arrival has failed to arrest - or you can share the blame with a media that allows itself to be manipulated.

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Just where are all the jobs and growth in the budget?

As you may have heard Scott Morrison mention a time or two this week, this isn't an ordinary budget, it's an economic plan for "jobs and growth". Sorry, Scott, that's what they all say.

Jobs and growth – without worsening inflation – are the objective of what economists call "macro-economic management".

And, along with monetary policy (the manipulation of interest rates), budgets (fiscal policy) are the instruments they use.

The obvious and quickest way a budget can attempt to boost growth and jobs is to use increased government spending or cuts in taxes to "stimulate" the economy and make it grow faster.

Is that what Morrison has done? No, not really. The short-cut way the econocrats assess a budget's likely effect on the economy is to examine the direction and size of the expected change in the budget balance.

This shows the net effect of the government's spending (which puts money into the economy) and its revenue-raising (which takes money out).

Morrison is expecting a budget deficit of $40 billion in the present financial year, which should fall to $37 billion in the coming year, 2016-17.

That expected fall in the deficit of just under $3 billion may sound big, but relative to the value of the nation's expected production of goods and services – nominal gross domestic product – of $1.7 trillion, it's equivalent to less than 0.2 per cent.

So, though the expected fall in the deficit suggests the budget will be working to inhibit the economy from growing and creating extra jobs, the effect is so tiny it doesn't count.

An alternative, more textbook Keynesian way of making that assessment is to focus only on the policy changes announced in the budget and the combined effect they are likely to have on the economy's growth and job creation.

The budget papers reveal that, in the coming financial year, the measures announced should reduce budget revenue by $1.7 billion and increase government spending by $1.4 billion.

So, judging it this way implies the budget will stimulate growth rather than work against it – that is, have a "contractionary" effect. But, again, the size of the net effect – $3.1 billion – is too tiny to matter.

Thus, at the macro – economy-wide – level, there's no evidence to support Morrison's claim that the budget will do great things for growth and jobs.

This conclusion is supported by the budget's forecasts that the economy (real GDP) will grow no faster in the coming financial year than it's expected to grow this year – by a below-potential 2.5 per cent a year – and improve just a little to 3 per cent in 2017-18.

But that's not the end of the story. What can we say about the budget if we switch from examining its likely effects at the short-term, macro level to viewing it as an exercise in using longer-term, micro measures to foster growth and jobs?

"Micro-economic reform" is about making changes to the way the government intervenes in particular markets, or is affecting people's incentives, with the objective of improving the economy's ability to grow (and create more jobs in the process).

Morrison offered a list of things the government has been doing to encourage growth.

But his chief exhibit is his new "10-year enterprise plan" to support growth and jobs. The plan involves cutting the rate of company tax from 30 per cent to 25 per cent over the 10 years to 2026-27, biasing the phase-in towards small and medium-size businesses, so big business's tax rate doesn't start to phase down until 2023-24, as well as widening access to accelerated depreciation by about 90,000 medium-size companies.

These reforms, Morrison assures us, will boost business investment and make Australia more competitive as a destination for foreign investment, thereby leading to "more job opportunities, more secure jobs and higher real wages".

And get this: Morrison has Treasury modelling to prove it. Delivering tax cuts for companies is expected to "permanently expand the economy by just over 1 per cent over the long term".

Impressed? Don't be. The Treasury modelling has been summarised and separately released. First, it's not an annual increase in real GDP of 1 per cent. It's saying that, by the end of the long term, the level of real GDP would be 1 per cent higher than otherwise.

In econospeak, "long term" means about 20 years. Divide 1 per cent by 20 and you get an annual increase too small to see.

Second, Treasury didn't actually model the government's complicated 10-year phase-down with priority to smaller companies. Econometric models are far too simplified to measure real-world policy changes.

It modelled a simple cut in the rate from 30 per cent to 25 per cent. So it could take even longer than 20 years for the full benefits to flow through.

Third, Treasury has accepted that, particularly because much of the benefit from a cut in company tax would go to foreign shareholders in Aussie companies and much of the new investment would be funded by foreigners, for Australians the change in real GDP exaggerates the benefits of the move.

A better measure is the change in real gross national income, which reduces the expected long-term level increase from 1.1 per cent to 0.7 per cent.

The modelling says much of this benefit would show up as an ultimate long-term increase in the level of real, after-tax wages of 0.8 per cent.

But note this: the ultimate long-term increase in the level of employment would be 0.2 per cent. So, even on the government's own modelling, the increase in growth would be small and the increase in jobs would be trivial.

To be fair, many economists believe that cutting the rate of company tax is the biggest and most obvious thing to do to improve our economic performance.

Sorry, but I can't see it.

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Budget more about politics than jobs and growth

You get the feeling this budget was pulled together with the use of a checklist. "We've got to have something on super, bracket creep, women, company tax, cities, multinationals, infrastructure . . ."

It involves a lot of imminent-election tidying up of loose ends from projects the government has supposedly been working on for three years, plus much squaring away of key interest groups.

What it's not is any kind of carefully considered "plan" for the economy, whatever Scott Morrison's claims.

It is, of course, a plan to get Malcolm Turnbull re-elected. Its measures are much more easily explained in political terms than justified as doing wonders for "jobs and growth".

Coming from the man in whom we held so much hope, it's uninspired and uninspiring. It's neither agile nor innovative, with not a spark of greatness.

That doesn't make it a bad budget, however. It's competent. It will play its part in ensuring the economy keeps chugging on for another year.

It contains all the Coalition biases you'd expect in a Coalition budget.

It's a cautious budget, with little to which many people will take great exception. Most voters' pockets won't be greatly affected one way or the other - certainly not in the near future - which, of course, is the reason for the caution.

If you believe the government should be pressing on with reducing debt and deficit - as it repeatedly promised it would - the budget is a great disappointment.

Turnbull and Morrison have achieved little more than their Coalition predecessors did. They inherited from Labor an expected budget deficit for 2013-14 of $30 billion (or 1.9 per cent as a proportion of gross domestic product).

Now Turnbull and Morrison are expecting a deficit of $40 billion (or 2.4 per cent of GDP) in the present financial year, falling only to $37 billion (2.2 per cent) in the coming year.

They expect government spending to grow by 4.7 per cent and tax revenue by 5 per cent.

Morrison boasts that the budget "outlines a path back to surplus", but that's true of every previous budget, back to the one Julia Gillard took to the 2010 election. The path first supposed to end in 2012-13, now stretches to 2020-21 - if you can believe it.

Up to now, the slow progress is explained partly by continuing falls in export prices. Much of what progress the Coalition has made is explained by it keeping the proceeds of bracket creep.

The truth is Turnbull and Morrison have abandoned any attempt to cut the deficit. Their best effort is to avoid doing anything that adds to it, while they wait for nature - "growth" - to take its course.

But while this lack of enthusiasm for the axe will disappoint those who've been convinced our debt is perilously high, I'm not among them. Morrison is right to say the "transitioning" economy is still too "fragile" to cope with public sector slashing and burning.

To that extent the budget wins high points for its steady contribution to the management of the macro economy.

It doesn't win many points for fairness, however. We now know what more than three years' big talk about tax reform adds up to: not a lot.

Low to middle income-earners have been saved from an increase in the goods and services tax, but gain nothing.

For years we've been told bracket creep is a terrible thing, hitting people on low taxable incomes harder than those on high incomes.

So what's the remedy? A tiny tax cut which, because it starts with people on more than $80,000 a year, will benefit only about the top quarter of taxpayers.

Thus the government gets to keep all the bracket creep to date and most of the bracket creep to come. But remember, only Labor stands for higher taxes.

What else do high earners get? No reneging on ending the 2 per cent temporary deficit levy. No change to negative gearing schemes, to the 50 per cent discount on capital gains tax, to family trusts or to deductions for professional development courses in Hawaii.

Big business missed out on its longed for increase in the GST and on a cut in the top rate of income tax but, even so, did get the promise of a company tax rate falling by 5 percentage points to 25 per cent, starting in the early 2020s and continuing until 2026-27 - if you can believe it will happen.

The big exception to this, however, are the changes to superannuation tax concessions, which will be less generous to high earners and less mean to women and low earners.

In other key areas of reform - particularly improved effectiveness in healthcare, education and infrastructure - after three years the government has hardly scratched the surface, with little further progress in the budget.

"Jobs and growth" is a slogan, not a plan. Its purpose is to create the illusion of a busy, striving government and divert attention from the lack of progress in achieving the much-promised return to budget surplus.

Name the budget - or the government - that hasn't claimed to have jobs and growth as its overriding goal.

To claim that a tiny tax cut and a "glidepath" cut in company tax will have any significant effect on jobs and growth is an exercise in over-optimism and exaggeration.

The tax cuts for small business, and their extension to a relative handful of medium businesses, is more about politics than jobs and growth. Small businesses have votes; big business has most of the jobs.

This is not the budget we were entitled to expect when Turnbull ousted Tony Abbott last September.

It's probably better than Abbott and Joe Hockey would have delivered, but only by a bit.

This is the last of three budgets from a government seeking re-election on the basis that only the Coalition is any good at managing budgets and running the economy.

That was a lot easier to believe at the last election than it is today.

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What not be believe in the budget

Like every budget, Tuesday's will be a combination of measures and arguments, each with political and economic dimensions and motivations.  Distinguishing the politics from the economics will be the hard part.

It promises to be a budget in which the government does a lot of crying poor. That's partly because Malcolm Turnbull is likely to call an election within a week of the budget, but is prevented mainly for political reasons from making many big spending promises.

Politically, this government made so much fuss about debt and deficit while on its way to power that, though it's made little progress in reducing the budget deficit and halting the growth in debt, it dare not be seen consciously adding to it.

Economically, returning to surplus isn't urgent, and increased borrowing for worthwhile infrastructure would make much sense.

As part of the crying poor, when state politicians hit the feds for more money, federal ministers reply that they can't help because, though the states are running surpluses, the Commonwealth is still in deficit.

Don't believe it. When the states say they're in surplus, they're referring to their "operating" balance, which is their revenue less their recurrent spending. When the feds say they're in deficit, they're subtracting from revenue not just their recurrent spending, but also their infrastructure spending.

Add the states' infrastructure spending to their operating surpluses and you find that – measuring it the way the feds do – they're still in heavy deficit. (Which is as it should be. If anything, they should be investing more.)

Or, to put it a better way, by insisting on their antiquated practice of including capital spending in their measure of the deficit, the feds are exaggerating the size of their deficit problem.

This financial year's budget papers forecast a deficit of $35 billion (since revised to $37 billion), which included capital spending of about $21 billion.

Further capital spending of $17 billion (including on the National Broadband Network) is hidden in the "headline" deficit, meaning capital spending accounted for 8 per cent of headline spending. Last year it was 9 per cent.

Another thing we'll hear a lot of on Tuesday night is that the government is "living beyond its means" and must mend its ways and live within its means, just as households do.

This is nonsense. It's Scott Morrison doing his best Joe Hockey impression. If you measure them the way Morrison does for the government – that is, by including borrowing for investment in with day-to-day expenses – our households are living way beyond their means.

Indeed, Australia's households have one of the highest debt ratios in the developed world.

Do you think it's a crazy, irresponsible thing for so many households to borrow many multiples of their annual income to buy the home they live in?

Of course not. For most it makes lots of sense. Is a government – state or federal – that borrows to build public infrastructure that will serve the community for decades, adding to our productivity, living beyond its means? Of course not.

National governments may be said to be living beyond their means when their recurrent spending exceeds their revenue, but even that is too simplistic.

Why? Because governments aren't the same as households and it's ignorant to pretend they are. Governments have responsibilities households don't have and also have powers households don't have – such as the ability to impose taxes and even, for national governments, to print money.

One highly relevant government responsibility is to help limit economic slowdowns by running operating deficits – by allowing their recurrent spending to exceed their revenue – while spending by the private sector is weak.

Does that sound too Keynesian for a Coalition government? Too Keynesian for Turnbull who, while opposition leader in 2008, vigorously attacked Kevin Rudd's fiscal stimulus?

Don't believe it. It's clear we'll hear a lot of the argument that Turnbull and Morrison can't cut government spending much at present because the economy is "in transition" and so not yet growing strongly.

That's a Keynesian argument, the antithesis of an austerity policy – though both men would die before uttering the K-word. And it's a sound argument – which is why we've been hearing it since Labor was in power. It was just excuse-making then, but it's true now, apparently.

Of course, it's also true that no politician wants to cut spending just weeks before an election.

Economically, there's no problem with continuing recurrent budget deficits. A better question to ask on Tuesday night is whether the spending that makes up the deficit is going on good programs or poor ones.

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The prospect for workers is brighter than many think

A lot of people are convinced it's just going to get worse and worse for workers in coming years. A lot of oldies think that and, unfortunately, too many youngsters believe them.

Many older people worry that, with the decline of manufacturing in Australia, and the end of the mining boom as well, they just can't see where the jobs will come from.

Young people, on the other hand, believe jobs are getting ever harder to find and, when you do find one, it's likely to be pretty scrappy: casual, part-time, short-term.

What's true is that young people have borne the brunt of the weak economic and hence employment growth since the financial crisis in 2008.

It's taking them longer to find entry-level full-time jobs than it used to and, in the meantime, they've had to get by with casual jobs. More employers have been willing to exploit them by asking them to do unpaid internships.

What's not true is that there's been continuing growth in insecure forms of employment. The proportions of such jobs haven't been increasing.

At a time of "transition" and uncertainty, it's always easy to err on the gloomy side. When you do, be sure the media will broadcast your bad vibes to the world.

But it's not hard to see plausible reasons why things could get better for workers, not worse. And when the ANZ Bank's chief economist unit and the Australian Institute for Business and Economics, at the University of Queensland, peered into the future and ran their best guesses through a model of the economy, that's just what they found.

Everyone loves to dwell on the decline in manufacturing, and the pathetic number of lasting jobs in mining, but few people get excited by the truth that almost all the additional jobs we've created in the past 40 years have been in the services sector.

Nor that most of these jobs have been cleaner, safer, more highly skilled and more rewarding – intellectually as well as monetarily – than most of the jobs no longer being created in manufacturing, farming and mining.

The study makes the highly plausible assumption that this longstanding trend will continue. "Declining material intensity has been observed in all [developed] countries, in part because wealthier consumers buy 'experiences' once their primary material needs are met," it says.

The ageing of the population is almost invariably portrayed as a bad thing, but the study points to a widely ignored way in which it's good news for the younger generation.

With a higher proportion of the population retired (and thus adding to the demand for labour but not to its supply) but low fertility meaning a lower rate of young people entering the workforce from education, demand for the services of young workers will increase.

Here's a tip: employers are chancers​. If they think they can get away with screwing workers (because there are more than enough available) they will. That's what's been happening lately.

But if they don't think they can get away with it (because workers have plenty of other bosses who'd like their services), they don't. And if it gets to the point where bosses have to start sucking up to workers to attract them and hold them, they will.

The study puts it more politely. By their nature, service industries rely less on machines and more on people, particularly highly-skilled workers. So if the services sector's share of the economy continues to grow "this could prove challenging for Australian businesses given our ageing population and changing workforce composition".

A third factor the gloom-mongers neglect is that our continuing move to the "knowledge economy" requires a better-educated, more highly-qualified workforce.

Today, more than half the population has completed the last year of schooling and gained at least a post-school certificate. That's more than twice what it was in 1981.

Since the oldest Australians have the lowest levels of educational attainment, the proportion of people with post-school qualifications could exceed 70 per cent by 2030.

Even so, the study predicts that "the fight to retain skilled workers will intensify", implying that, though the supply of qualified workers will grow, the demand for their services will grow faster.

In such circumstances, employers will be trying to bind their skilled workers to them, not cast them adrift with insecure employment contracts.

If we foresee further growth in the share of the economy accounted for by labour-intensive service industries, employing better qualified and higher-paid workers – over whose bodies employers are fighting – labour's share of national income should rise.

If so, "some of the consequences of a falling labour share, such as growing income inequality, may begin to unwind as well", the study says.

A final factor to remember is that our exports of services are likely to keep growing as Asia's middle class gets bigger and more prosperous.

At present, the goods sector of the economy (agriculture, mining, manufacturing and construction) accounts for 28 per cent of total employment, while the services sector accounts for 72 per cent. The study predicts that, over the next 15 years, the services share will increase by 5 percentage points.

It finds that the industries with the most intensive demand for labour are also those with the strongest growth prospects.

The strongest growing service industries are likely to be healthcare (fed by demand for new medical technologies as well as ageing), education (growing demand for qualifications) and professional services.

These industries are projected to grow by at least 5 per cent a year, on average, over the next 15 years. Demand for labour across the economy is projected to grow by an average of a solid 1.6 per cent a year.

No one – certainly, no economist – knows what the future holds. But don't be led into assuming the only things that could happen are bad.

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An independent assessment on negative gearing

Labor claims its "reforms" to "negative gearing" would do wonders to make home ownership more affordable for our kids. But Malcolm Turnbull says vote for high-taxing Labor and the value of your home will crash, while rents soar.

Many voters have strong views for or against negative gearing. But when rival politicians fall to arguing about their policies, most of us find we don't know enough to decide who's right.

We need someone we can trust to act as a kind of umpire, pronouncing on who has the better case. So we're fortunate to have John Daley and Danielle Wood, of the independent Grattan Institute, issuing a report on the topic.

For defenders of negative gearing, it's bad news. The pair explain that there's a good case for acting against the practice, dismissing alarmist claims it would disrupt the property market.

For opponents of negative gearing, however, the news isn't as good as it seems. Since the resulting reduction in house prices isn't likely to be great, acting against the practice wouldn't do much to make home ownership more affordable.

Investment in a rental property is negatively geared when so much of the cost of the property has been borrowed that the interest bill and other expenses exceed the earnings from rent.

Why would anyone deliberately structure an investment to run at a loss? Partly because they can deduct that loss from their income from other sources, thus reducing their tax.

But that means they're still out of pocket for the remaining half or more of the loss. Why do that? Because they're hoping eventually to sell the place at a big capital gain, which should more than make up for the after-tax losses they've incurred.

That's been more likely since 1999, when the Howard government introduced a 50 per cent discount on the rate of tax on capital gains.

Daley and Wood disprove the dishonest claims that negative gearing is used by many people on modest incomes to get ahead. There may be a few of them, but the statistics show high income earners claim the lion's share of the benefits.

The authors say there's no point of principle that supports our longstanding practice of allowing losses on property investments to be charged against wage income for tax purposes.

Very few other countries do this. It makes the housing market more volatile and reduces home ownership. It diverts capital from more productive investments while doing little to increase the supply of homes.

They propose allowing losses on property investments to be deducted only against income from other investments, not against wages. This would save the budget $2 billion a year in the short term, falling to $1.6 billion a year as behaviour changes.

But much of the attraction of negative gearing comes from its connection with the 50 per cent discount on the taxing of capital gains.

They say there is a case for taxing capital gains more lightly than other income – mainly because much of the seeming gain comes just from the effect of inflation, which makes it illusory – but this doesn't justify a discount as great as 50 per cent.

Allowing such a high discount (as well as allowing rental losses to be deducted against wage income) greatly reduces the government's tax collections, meaning it has to rely more heavily on other taxes. Those other taxes often do more to distort economic behaviour than taxing saving does.

In any case, empirical evidence shows people on high incomes save almost as much regardless of the tax rate. Measures intended to encourage saving mainly influence the vehicle through which wealthy people save – superannuation or property or a bank account, for instance.

As well, the high discount on capital gains tax creates opportunities for artificial transactions to reduce tax and encourages investors to focus too much on speculative investment – sit back and wait for capital gains to accrue – rather than investment that earns annual income by producing goods and services.

Daley and Wood propose halving the capital gains discount to 25 per cent. This would save the budget about $3.7 billion a year.

These policy proposals may sound the same as Labor's, but there are important differences. Labor promises that, for new investments undertaken from July 1 next year, deduction of losses against wage income will be permitted only for investments in newly built homes.

Investments made before then will be unaffected, while losses on new investments in shares or existing properties may still be deducted against other investment income.

Labor promises to cut the capital gains discount to 25 per cent for all assets bought after July 1, 2017. All investments made before then will be unaffected.

Daley and Wood criticise both proposals. Retaining existing negative gearing rules for prospective investments in newly built homes adds a new distortion that would, they believe, do little to increase the supply of homes.

And they criticise Labor's plan to "grandfather" existing investments – for both negative gearing and the capital gains discount – leaving them unaffected by the change.

A better way to minimise disruption to the market and to the expectations of existing investors would be to apply the changes to everyone, but phase them in equally over 10 years.

If only making up our mind on the other election issues we'll face could be so easy.

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Is the world ruled by ideas or by interests?

Most economists believe John Maynard Keynes (rhymes with "brains" not "beans") was the greatest economist of the 20th century. But his most famous quote is one I've never been sure I agree with.

He claimed that "the ideas of economists and political philosophers, both when they are right and when they are wrong, are more powerful than is commonly understood.

"Indeed, the world is ruled by little else. Practical men, who believe themselves to be quite exempt from any intellectual influence, are usually the slaves of some defunct economist.

"Madmen in authority, who hear voices in the air, are distilling their frenzy from some academic scribbler of a few years back."

One man who definitely agrees is Barry Schwartz, a professor of psychology at Swarthmore College in Pennsylvania. He writes in his book Why We Work that, where once our ideas about human nature may have come from our parents, our community leaders and our religious texts, these days they come mostly from social science.

"In addition to creating things, science creates concepts, ways of understanding the world and our place in it, that have an enormous effect on how we think and act," Schwartz says.

"If we understand birth defects as acts of God, we pray. If we understand them as acts of chance, we grit our teeth and roll the dice. If we understand them as the product of prenatal neglect, we take better care of pregnant women."

Schwartz says that because ideas aren't objects, to be seen, purchased and touched, they can suffuse through the culture and have profound effects on people before they are even noticed.

And ideas, unlike things, can have profound effects on people even if those ideas are false.

I don't doubt that, in this, both Schwartz and Keynes are right. The social world is far too complex for any of us to really understand how it works. So we observe what's happening and then come up with theories - "models" - about how it works.

Those theories inevitably influence the way we think about the world, the way we react to it and the way we try to get some control over it.

But the world is so complex that we can have lots of different theories about it, or different aspects of it. Many of those theories will have an element of truth and an element of error.

We probably should have a toolbox full of theories, choosing to use the one that best fits the particular issue we're focusing on.

But human nature - our limited cognitive processing power - leads us to simplify things, settling on the one that seems to work best and apply to most circumstances. We remember it, and forget the others.

Often, of course, we don't do a lot of thinking about which theory is best, we just go along with the one most of the people around us seem to believe.

It's also true that the theories and models we rely on, consciously or unconsciously, become, as the sociologists say, "performative" - if enough people believe the world works in certain way and act on that belief, to some extent the world does start to work that way.

There are limits to this, of course. For a few decades economists allowed their dominant model - their group's way of thinking - to convince them the deregulation of the banks had brought us to the era of Great Moderation, of low inflation and unemployment with ever rising prosperity.

Their model blinded them to the global financial crisis that was coming and the years of economic malfunction that would follow.

There could be no more costly demonstration of the inadequacy of their theory about how the world worked.

So no argument: ideas have a huge effect on the world - for good or ill. But does that mean "the world is ruled by little else"?

I doubt it. The main rival for that title is the thing economists exalt above all else: self-interest. What happened to the rich and powerful, don't they have any influence on how the world is ruled?

The more I observe our politics, the more I see it as an unending battle between powerful interest groups. The political parties, contending for their own share of power, negotiate their way around the most powerful of the various interest groups.

The problem is the power democracy still gives to ordinary punters. Should I try to win votes by promising a royal commission, or should I keep in with the banks - and their generous donations to election funds - by promising to bash them with a feather?

So, do ideas really trump vested interests? Surely we're ruled by some combination of the two.

But the more I understand the weaknesses in the economists' dominant ideas about how the economy works and should work, the more I see what a bad predictor their model is, the more I wonder how such a flawed theory remains so dominant, largely impervious even to stuff-ups as monumental as the Great Recession.

Then a terrible thought strikes: maybe their ideas remain so influential in politics and the community because they happen to suit the interests of the rich and powerful.

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How behavioural economics got started

One night in 1975, Richard Thaler invited a bunch of his graduate economics student mates over for dinner. While they waited for the cooking to finish he put out a bowl of cashews.

But noticing everyone was getting stuck in, he decided he'd better take them away. His mates thanked him for doing it. It was a lightbulb moment for the young economist.

Why? Because the assumptions of the conventional economics they were studying said such a thing couldn't happen.

Each of us is assumed to have complete control over our appetites and urges. We eat no more cashews than we know is good for us.

We certainly don't need some agent of the Nanny State to limit our freedom by stepping in and taking the bowl away.

Were such a thing to happen, we wouldn't be pleased. We certainly wouldn't thank the perpetrator of this intervention.

So why did it happen? Because, contrary to the conventional model, all of us have problems stopping ourselves from doing things we know we'll regret. In one part of our lives or another, we have a problem with self-control.

And we're grateful rather than resentful when someone steps in to help us with our problem.

From then on the young Thaler – obviously a bit of a rebel and troublemaker – began compiling a list of what he came to call "anomalies" – things people actually did that the conventional model assumed they didn't.

Thaler tells the story of those cashews in his latest book, Misbehaving. It's an apt title because the book charts the development of a new school of economic thought known as "behavioural economics".

Behavioural economics studies the differences between the way people in the economy actually behave and the way the model assumes they do.

In deference to academic economists' obsession with mathematics – a preoccupation that began only after World War II, led by men such as Sir John Hicks, Kenneth Arrow and Paul Samuelson – younger behavioural economists search for ways to make more realistic the assumptions on which mathematical models of the economy are built.

Thaler says behavioural economics has three essential elements: bounded rationality (see below), bounded willpower (see above) and bounded self-interest – we can be more generous to others than the model assumes.

So what are the origins of "BE"? In their book, Animal Spirits, George Akerlof and Robert Shiller argue that John Maynard Keynes was the first behavioural economist.

Thaler says Keynes was "a true forerunner of behavioural finance". (Behavioural finance is the part of behavioural economics that focuses on behaviour in financial markets.)

Keynes argued that individuals' "animal spirits" – his word for their emotional responses – played an important role in their decision making. At times this could discourage business from investing, thus strengthening the case for governments to use their budgets to stimulate the economy.

Keynes wrote his magnum opus in 1936. But Thaler takes BE's origins back to the founder of economics, Adam Smith, and the less famous of his two books, The Theory of Moral Sentiments, published in 1759.

Smith was "an early pioneer of behavioural economics" because of his detailed description of problems of self-control.

A more obvious forerunner is the American academic Herb Simon who, in 1957, coined the term "bounded rationality" and was later awarded the Nobel prize in economics for his trouble.

Bounded rationality is the idea that people's ability to make "rational" – coolly calculating – decisions is limited by the information available to them, the trickiness of the decision, the brain's inadequate processing power and the time available for thinking about it.

Many people probably assume, however, that the true originator of BE is the Princeton psychologist Daniel Kahneman who, with his late partner, Amos Tversky, began in the early 1970s identifying the many "heuristics" (mental shortcuts) and biases that cause humans' decision making to be less than rational.

Behavioural economics has long been about incorporating the insights of psychology into economics. So it was no great surprise when the psychologist Kahneman was given the economics Nobel in 2002.

Thaler moved to California in 1977 to work with Kahneman and Tversky for a year, but that was because he'd already done a lot of thinking about "anomalies". His book leaves me in little doubt that he's the economist who should get most credit for establishing BE as a respectable subject for economists to study.

Thaler began writing a column about "anomalies" from the first issue of the American Economic Association's new Journal of Economic Perspectives in 1987.

In 1991 he teamed up with Shiller (who in 2013 got the Nobel for his work in behavioural finance) to organise a semi-annual workshop on behavioural finance under the auspices of the National Bureau of Economic Research.

One breakthrough in BE came when it was demonstrated that people's mental biases were systematic – that we were, in the title of Dan Ariely's book, Predictably Irrational.

If non-rational behaviour is predictable, it can and should be incorporated into economists' models.

And if people make predictable mistakes when buying shares and so forth, there ought to be scope for other investors to make a buck by betting against them.

Little wonder behavioural finance quickly gained a following in financial circles.

In economics, however, it's said that new ideas gain ascendancy "one funeral at a time". Oldies have a vested interest in preserving the received wisdom, but young academics are attracted to new and interesting ideas that seem to better explain the world.

Thaler's best-selling book with Cass Sunstein, Nudge, showing how governments can nudge people towards making more sensible decisions, led to the setting up of Britain's Behavioural Insights Team and copycat outfits in many countries, including Oz.

These days, BE is offered in most undergraduate university courses. So behavioural economics is now firmly rooted and can only grow in its influence on economists' thinking.

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Herald's move to explanatory journalism is its future

How has the Herald changed in 185 years? How should I know – I've been working for it for less than a quarter of that time. But I dare to claim that, of all the change since 1831, most of it has occurred since I started in 1974.

A few years back, at a staff function to celebrate those of us who'd hung around longer than could reasonably be expected, someone had the idea of presenting us not with a pen or a watch – I'd already had one of each – but with a framed copy of the front page of the paper on the day we started.

Sorry, but it was an uninspiring present that showed how far we've had to travel. It was grey in every sense. That was long before the Herald moved to colour printing, but not before our subeditors had abandoned their sacred duty to drain the colour out of every story before allowing it to be seen by the public.

The Herald stuck to "objective" reporting of the facts – "just the facts, ma'am" – and anything that remotely resembled an opinion – it was a beautiful sunny day, the prime minister seemed distracted, the accident was horrific – was verboten.

It was years before journalists attended university journalism courses, to be reminded that at its core the journalistic task involves subjective judgments: which events get reported and which don't; which facts get used and which don't; which stories get run and which "hit the spike"; which are reported at length and which in brief; which lead the front page and which go up the back somewhere.

It was because journalism was mere description of facts that readers didn't need to know the journalist's byline. They needed to be told only that a story had been written "by a Staff Correspondent" – that is, he (and occasionally she) had been trained by the Herald, and so could be trusted to get everything right.

Nothing of any great interest had happened the day before my first day on the job. The front page was nonetheless terribly busy, as editors crammed in as many stories as they could fit. To modern eyes the page was messy and uninviting.

That was only a few years before the Herald abandoned the unachievable struggle to be a "paper of record". Much better to focus on a smaller number of more interesting or important events – preferably ones other media didn't have – and do justice to them, illustrating them and laying them out on the page in a visually attractive way.

One thing that issue of the paper did have going for it, however: its price was 8 cents. Of course, in those days it didn't have lift-out sections on TV programs, food and restaurants, travel, health and fitness, and gig guides.

Apart from Column 8, still signed by Granny, there were few opinion columns in the paper of the mid-1970s. Comments or analysis sitting beside news reports were rare to non-existent. There were a few bylined feature articles, but for the most part opinion was restricted to unsigned editorials – or "leaders" – written on behalf of the editor.

It was only a little over two years before I was moved from economic reporting to opinion writing. At first my job was to write a leader a day, but by 1980 I was writing three columns a week. I'm still writing those columns, on the same days and the same parts of the paper.

Having checked with the Herald's historian, Gavin Souter, I think I'm safe in claiming to be the longest-serving columnist in the paper's 185 years.

This may tell you something about me, but mainly it says something about how the paper and the world in which it exists have changed. In relatively recent years the Herald – on paper and online –has become chock full of all manner of columns, comments and analyses.

Why? Partly because our marketplace has become ever more competitive. Journalists tend to focus hardest on competition from rival newspapers, but more intense competition has come from the electronic media, radio and television.

This competition started from the moment in the 1930s that radio networks began reporting their own news stories rather than reading out stories from the papers. Eventually radio began delivering news bulletins on the hour, but not before television channels made their nightly news bulletins the chief means by which Australians caught up with the news.

With so many of our readers already having heard the bare bones of so many of our news stories, is it any wonder newspapers had to change their news offering? We tried harder to find our own exclusive stories, provided greater detail and more background information, asked "the next question" – what happens now? how will the authorities react? – as well as adding more commentary and analysis, including the pure opinions of columnists and in-house experts.

For much of the past 185 years there were two things you could do after you got home from work, had dinner and wanted to relax: sing songs round the piano or read the paper. Then came radio and its serials and then the all engrossing idiot box.

On a wider level, therefore, newspapers have long faced greater competition from an ever-expanding array of ways to spend your leisure time. More reason to change our product.

The advent of the internet has added greatly to that array, as well as multiplying rival digital sources of news – not just from other cities and states, but from English-speaking news providers around the world.

By contrast, it's allowed the Herald and other papers to use their websites to get back into "breaking news" – news within minutes of it happening – for the first time since the 1930s.

These days, however, digital sources of breaking news are so plentiful and so freely available –literally – as to greatly diminish the commercial value of ordinary news. How are we to pay the wages of our journalists?

Online advertising is far cheaper than it is in newspapers and free-to-air television. What's more, online advertising is dominated by Google and Facebook, not the traditional news sources.

We need something more than ordinary news, some way of adding value to a product we can ask readers to pay for, preferably by subscription.

The material standard of living of people in the developed economies has risen many times since the Industrial Revolution. This remarkable achievement has been the result of two main factors: technological advance and ever-growing specialisation within occupations.

The inescapable consequence, however, has been to make the workings of our economy and many other aspects of our lives infinitely more complex than they were. There was a time when car owners did much of their own routine maintenance; today, many hardly dare lift the bonnet.

When I joined the Herald it still subscribed to the notion of the "universal journalist" – any Herald-trained journalist was capable of accurately reporting any story on any subject. I doubt if this was true then; it's become less true with every passing year.

Since I became economics editor in 1978, I've worked to ensure that all economic reporting is done by journalists with economic qualifications. Ideally, legal reporters have law degrees, science reporters have science degrees and so forth.

With the growing complexity of daily life has gone an ever-rising level of educational attainment in the workforce. The Herald has always had a better-paid and better-educated readership, but it's never been better educated than it is today.

This means a readership far keener to know how and why, not just who, what, where and when.

But not all "advances" have been for the better. Governments have become bigger, ministers' staffs have become bigger, politicians are far more adept at marketing, more focused on perceptions and appearances, and unceasing in their attempts to "manage" the media.

At the same time, the lobbying of government by business and myriad interest groups has proliferated. A small industry of "economic consultants" has grown up in Canberra just to produce modelling that purports to prove the rightness of lobbyists' claims.

If keeping governments and power-holders honest is one of the primary responsibilities of the quality press, never have its services been more sorely needed.

A more complex world requires more explanatory journalism from more specialised and qualified journalists. The blizzard of information assailing us requires more trusted guides to what's worth worrying about and what isn't.

A world of more active lobbying by powerful interest groups and more manipulative and secretive governments requires more investigative journalism, not just by dedicated investigation teams but also by more specialised journalists who do more than meekly report the claims of politicians and lobbyists.

This is what I've tried to contribute with my "comment and analysis" in my time at the Herald. It's needed far more today than when I started. I confidently predict the need will only grow.

It's why I hope to see the Herald meet the challenge of digital disruption, making whatever adaptations are needed to ensure it continues to serve readers and contribute to the nation's good governance.

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Why the banks' activities should be constrained

Is there any justification for a royal commission into the conduct of the banks? Is it just a political stunt? All royal commissions are called for political reasons and many are stunts, in the sense that their primary objective is just to bring particular issues into the public spotlight.

To me, the best justification for an inquiry into the banks is that they still don't seem to have got the message. They've been caught treating their customers badly, but so far they've shown little sign of contrition - sorry about the few bad apples, but I didn't know - and little willingness to make amends.

For years they've been locked in a race to maximise profits. They've put profits and executive bonuses ahead of the interests of their customers, and seem keen to resume profit maximising as soon as the fuss declines.

We need to keep the fuss going until the bank bosses realise how unacceptable we find their behaviour. Only then may they accept the need to stop incentivising​ their staff to exploit their customers' vulnerabilities, even at the cost of a little profit.

But if you think we have trouble with our banks, you should get out more. So far, at least, we've been let off lightly. I've just been reading the latest book about the banks' central role in causing the global financial crisis of 2008 and the Great Recession it precipitated.

Almost eight years later, the recovery has been anaemic and looks like staying that way for years yet. If China's slowdown becomes a "hard landing", it's likely to be because the financial crisis has finally caught up with it, too.

The book is Between Debt and the Devil, by Lord Adair Turner, who took over as chairman of Britain's Financial Services Authority just as the crisis struck.

Among the many reservations that may be expressed about the "financialisation" of the developed economies - the huge expansion in the share of the economy accounted for by the banks and other providers of financial services over the past 30 years - Turner is particularly critical of all the credit creation - lending - the banks have done.

For decades before the crisis, in every developed economy, bank lending grew at two or three times the rate at which the economy grew.

Central bankers and other economists came to believe this was normal and natural; how you achieved a growing economy.

In reality, it just meant that when the mountain of credit finally collapsed, plunging the world into its worst recession since the 1930s, many households and businesses were left deep in debt.

According to Turner, it's this "debt overhang" that's doing most to stop the major economies returning to healthy growth. As part of the initial response to the crisis, governments shifted much of the banks' own debt onto the government's books.

This did nothing to diminish the overall amount of debt, just made governments reluctant to increase their spending to support the economy.

But it's the continuing debts of businesses and households that do most to explain the continuing sluggishness of the major economies. When your debt far exceeds the value of your assets, you cut your spending to the bone so as to use as much of your income as possible to pay down that debt.

Trouble is, when so many others are doing the same, their spending cuts cause your income to fall, leaving you with little to use to repay debt. The economy can't really recover and, collectively, it makes little progress in "deleveraging" - getting its debt below the value of its assets.

This is the bind the North Atlantic economies find themselves in.

Turner says the huge growth in bank-created credit has been particularly pernicious because the banks much prefer to lend for purchases of real estate. They do little lending to big businesses investing in expansion, and much of their lending to small business is secured against the owner's home or other property.

Trouble is, with the banks infinitely willing to lend for housing, but with the supply of land in desirable locations strictly limited, the inevitable result is to bid up house prices.

This explains why - though local economists staunchly reject the thought - when foreign economists look at our stratospheric house prices and record rate of household debt, almost to a person they see an asset-price bubble that must one day burst.

Turner devotes much of his book to proposing radical ways the major economies can extract themselves from their unshakable debt overhang and return to healthy growth, and to proposing ways governments can curb their banks' unending credit creation so as to ensure it's a long time before their excessive lending for real estate brings on the next global financial crisis.

But ever-increasing lending is the main way the banks make their ever-increasing profits. They would put up an enormous fight to stop governments clipping their wings in this way.

Which brings us back to the royal commission. Do we want to be governed by politicians deferring to their generous backers in banking, or do we want to send politicians and bankers alike a message that the interests of customers and the wider economy must come first?

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