Dig deep and you find the two-speed worm has turned

If you learn nothing else about the economy, remember that it moves not in straight lines but in cycles of good times followed by bad times, and bad times followed by good.

Nowhere is that truer than with our famed "two-speed economy".

For most of the decade to 2012, the resources boom meant that the two main mining states – Queensland and, especially, Western Australia – were growing much faster than the rest of the economy, which was being held back by the effect of the boom-caused high dollar on other export industries.

For the past few years, however, the roles have been reversed, with Queensland and WA now growing much more slowly than Victoria and NSW.

In an article in the latest Reserve Bank Bulletin, Thomas Carr, Kate Fernandes and Tom Rosewell argue that looking at what's been happening from state to state does much to help explain what the Australian Bureau of Statistics is telling us about developments in the national economy.

It also helps explain why Colin Barnett was thrown out of office so unceremoniously in WA last Saturday. Forget the politicos' obsession with the role of One Nation, the deeper explanation is economic.

After peaking at growth of 9.1 per cent in gross state product (the state equivalent of gross domestic product) in 2011-12 at the height of the mining boom, growth slumped to just 1.9 per cent in 2015-16.

There's nothing new about governments getting tossed out when their boom turns to bust. Especially when it becomes apparent what a hash you made of the good times, spending like there was no tomorrow.

To see how the two-speed worm has turned, consider this. In 2015-16, real GDP grew by 2.8 per cent for the year as a whole.

Within this, NSW's real GSP grew 3.5 per cent and Victoria's 3.3 per cent. By contrast, Queensland's grew 2 per cent and, as we've seen, WA's 1.9 per cent. (If you must know, South Australia's was 1.9 per cent and Tasmania's 1.3 per cent.)

What's that? You think WA's annual growth of 1.9 per cent doesn't sound all that terrible? It's being held up by the increased volume of WA's exports of iron ore and liquefied natural gas.

Trouble is, that generates next to no additional jobs. In mining, most of the jobs come from building new mines. When construction ends, the building workers go back where they came from (which ain't Perth).

Our trio from the RBA say that, over the period of the resources boom's build-up and let-down, differences between the performance of the states have been explained mainly by differences in private investment spending.

Consumer spending accounts for a far bigger slice of GDP/GSP than investment spending. And consumer spending has been much less variable between the states than investment spending – although it's been weakest in WA.

Consumers keep their spending reasonably smooth from year to year. They do this by cutting back their rate of saving when their incomes aren't growing fast enough.

We know from the national accounts that, while wages and employment growth have been weak in recent times, households have been progressively lowering their rate of saving to help keep their consumption steady.

That's normal cyclical behaviour. What we now know from the RBA trio's investigations, however, is that pretty much all the decline in the national saving ratio is explained by the actions of West Australians and Queenslanders. Ah.

Another national-level story we're familiar with says the economy is making a transition from mining-led to non-mining-led growth. So, as mining projects are completed and mining investment spending falls way back, we need strong growth in non-mining business investment to take its place.

The national accounts tell us it's not been happening. You've heard all the wailing and gnashing of teeth – not to mention speculation about causes – that's accompanied this bad news.

But here again the RBA trio's data diving shows the story in a different light. While mining investment was booming in the mining states, so was non-mining investment in those states. Confidence in one part of the local economy spills over to other parts.

While this was happening in the mining states, non-mining business investment in the other states was weak.

As the trio almost admit, this was part of the RBA's dastardly plan to ensure the mining boom didn't cause runaway inflation – as every previous commodity boom had.

While the politicians were letting foreign miners make all the crazy investments we now realise they did – leaving us with a gas-bonanza-caused energy crisis – the RBA had to "make room" for the miners by holding back the rest of the economy and, in particular, non-mining business investment.

It would have been willing to achieve this restraint by holding interest rates higher than otherwise needed but, fortunately for it, most of the work was done by the abnormally high exchange rate, which crunched manufacturers, tourism and foreign student education.

Back to the now. While the national figures reveal non-mining investment failing to show signs of recovery, the trio's data diving shows it's actually falling in the mining states (as lack of confidence in mining spills over) but recovering elsewhere.

In NSW, non-mining investment has grown at an average rate of 8 per cent a year for the past three years. In Victoria, it's been 4 per cent.

The obvious explanation for this recovery is the dollar's return to earth. But much of it's been in business services, including, in NSW, construction of new office buildings. In Victoria, there's been investment in wholesale and retail, with investment by manufacturers stabilising.

But the other private investment category – new housing – is also part of the story. Home building has fallen in the West (what a surprise), but grown strongly in NSW and Victoria.

It's surprising what you discover when you dig.

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Two-speed economy has gone away

Remember the two-speed economy we used to hear so much about? Well, no one in the media has thought it worth mentioning, but it's gone away.

It's remarkable how the media can get so excited about some "problem" but then never mention it again.

The two-speed economy was caused by the first two stages of the resources boom, of course, with the high commodity prices and mining investment boom causing the resource-rich states to grow much faster than the other states. The others were held back partly by the boom-caused high dollar making life much harder for trade-exposed industries such as manufacturing and tourism.

According to an article by Sam Nicholls and Tom Rosewall in the latest Reserve Bank Bulletin, Western Australia's real gross state product grew at an average rate of almost 5 per cent a year after 2003-04, and Queensland's grew at 3.5 per cent, compared with 2.5 per cent or less in the other states.

But with commodity prices coming down (and state governments' mineral royalties falling) and construction projects winding up, the mining states' economies are now growing more slowly.

The boom is now in its increased production phase, but this is much less labour-intensive than building new mines and natural gas facilities, meaning less money stays in the state economy rather than going to foreign owners.

Meanwhile on the other side of the fence, the Reserve Bank's bargain-basement level of interest rates has helped consumption spending and home building to grow a bit more strongly in the other states, particularly NSW and Victoria.

With their tax receipts boosted by much higher conveyancing duty from their housing booms, the NSW and Victorian governments won't keep such a tight rein on budget spending.

The dollar has now fallen a long way (though its decline has been inhibited by the "quantitative easing" – money creation – in most of the major advanced economies) and this is starting to revive manufacturing and tourism.

Differences in each state's industrial composition, as well as differences in their rates of population growth, mean the states never grow in lock-step. Barring commodity booms, the nationwide growth rate is rarely far from the growth rates in NSW and Victoria, simply because these two states constitute more than half of national gross domestic product.

We're returning to that more usual state. Nicholls and Rosewall examine the "standard deviation" in GSP growth rates as a summary measure of the degree of variation in growth across the states. They find it has declined recently to be only a little above its long-run average.

Another way to compare the states' economic performance is to look at differences in their rates of employment growth and levels of unemployment, though you have to remember to allow for differing rates of population growth.

Doing this shows that "the variation in state unemployment rates has declined recently, to be well below its average level since 2000", the authors say.

Of course, although the states may now be growing at more similar rates, a decade of disparate growth can't help having a big effect on each state's share of the total Australian economy.

Are you sitting down? Over the 10 years to 2013-14, WA's share has increased from 11 per cent to 17 per cent. Amazing. And get this: WA now has by far the widest gap between its share of the economy and its share of the nation's population, just 11 per cent.

Queensland's economic share has increased by 1 percentage point to 19 per cent. (Mining accounts for a much smaller share of Queensland's economy than of WA's, and the Sunshine State is also more dependent on tourism, which was hard hit by the high dollar.)

The Northern Territory also benefited greatly from the mining boom, with its share of the national economy increasing by about a quarter. In absolute terms, however, it remains tiny.

But if the mining states' share has grown, the other states' shares must have shrunk. In round figures, NSW's share is down 4 points to 31 per cent and Victoria's is down 2 points to 22 per cent. South Australia's and Tasmania's shares are down a combined 1 point to 6 per cent and 2 per cent.

Now let's look at differences in the states' industrial structure. Although most industries' share of each state's economy is similar, there are some big differences, particularly in primary industry.

Mining accounts for a remarkable 30 per cent of WA's economy and 9 per cent of Queensland's, compared with about 2 per cent in the other states.

Agriculture accounts for 8 per cent of Tasmania's economy and 5 per cent of SA's, compared with a national average of 2 per cent.

Victorians see their state as heavily dependent on manufacturing but in truth it accounts for 7 per cent of their economy, the same as for NSW and not far from the national average of 6 per cent.

With NSW fancying itself as the nation's financial capital, it shouldn't surprise that "business services" – financial and insurance services; professional, scientific and technical services; media and telecommunications – make up 30 per cent of its economy.

What may surprise manufacturing-mesmerised Victorians is that they're not far behind at 27 per cent. This compares with shares ranging from 19 per cent down to 14 per cent in the other states.

A last startling statistic. Because our exports are dominated by minerals and energy, and because WA has such a large share of the nation's mining industry, the authors estimate that with just 17 per cent of the economy, WA supplies a stunning 43 per cent of our exports.

No wonder the Sandgropers like to imagine the rest of us are bludging off them.

But it's a mercantilist fallacy that nations make their living by selling things to other nations (and importing as little as possible). Selling goods and services to other Aussies is no less virtuous.

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States change lanes in two-speed economy

You've heard of a Goldilocks economy where everything is just right. Well, when it comes to the states, welcome to the biblical economy, where the last shall be first and the first shall be last.

We're still looking at a two-speed economy, but the fast lane is turning into the slow lane and the slow lane into the fast.

During the 10 years of the resources boom to 2012-13, the West Australian economy grew by 62 per cent in real terms, against 48 per cent in Queensland, 30 per cent in Victoria and 23 per cent in NSW.

But, in the year to March, the mining states' "state final demand" - not as full a measure as gross state product - contracted, while NSW and Victoria steamed on.

The Victorian budget papers last month said the state was "well placed to take advantage of the national shift from mining investment towards more broad-based drivers of economic growth.

"Lower interest rates and a moderated exchange rate, compared with the highs in 2011 to 2013, are expected to benefit Victoria's industry structure."

Whereas the national economy (real gross domestic product) grew by 2.6 per cent in the 2012-13 financial year, Victoria managed only 1.6 per cent growth. And, in the financial year just ending, while the nation is expected to have managed growth of 2.75 per cent, Victoria is looking at an expected 2 per cent.

But the federal budget papers show the nation's rate of growth is expected to slow to 2.5 per cent in the coming financial year as Victoria's growth accelerates to 2.5 per cent. It's expected to reach 2.75 per cent in 2015-16.

And this week's NSW budget papers show its government expects its acceleration to be even faster. NSW managed growth of just 1.8 per cent last financial year, but it's expected to have accelerated to 3 per cent in the year just ending, and to stay at that rate in the coming year and the following one.

So, while Victoria is expecting to catch up with the national average in the coming financial year, NSW believes it has already exceeded it, and will continue growing faster than average in 2014-15. Only by the following year, 2015-16, will the nation have caught up.

Well, that's all very lovely, but how's it supposed to happen? What changes will bring it about?

You may already have noticed that whenever the economy improves, there's always a politician on hand ready to take the credit. Well, here's a tip: when they're at the national level, they're probably taking more credit than they should; when they're at the state level, they almost certainly are.

The truth is we live in a single, national economy. The six states and two territories that make up our national economy are different but highly integrated. So, to the - limited - extent that what's happening to a particular state is influenced by politicians, it's more likely to be federal politicians than state. Macro-management of the economy happens at the most macro level.

State governments don't do macro, they do micro. They manage their own financial affairs, and make decisions about planning and the regulation of particularly industries - how heavily we should tax companies developing new housing on the outskirts of the city, for instance - that do affect the growth of their state economies, but slowly and to a small extent.

So, for the most part, differences in the rates at which particular states are growing are determined by differences in the industrial structures of their economies - for instance, some have a lot of mining, some don't - and in their histories. NSW and Victoria are long established with large populations; WA and Queensland have smaller populations with more scope for development; they're frontier states.

This is why an event such as the resources boom, which has essentially come to the Australian economy from overseas, can affect states so differently.

The point, however, is that the most spectacular stage of the resources boom - the surge in construction of mining and natural gas facilities - which did most to foster the rapid growth of WA and Queensland in recent years, is going from boom to bust.

The rapid fall-off in mining construction in the coming financial year and the year after will cause those two states to grow far more slowly - maybe even contract in WA's case - while NSW and Victoria steam on.

Victoria's big advantage is that, since it has little mining, it has nothing to lose. NSW does have some mining, mainly for steaming coal, but says its big advantage is that its mining construction activity has already fallen about as much as it's going to.

It's their knowledge that we have two years of big falls in mining construction activity to come - along with the dollar's failure, so far, to fall back as much as we'd hoped - that has made the macro managers so obsessed by the need to get the "non-mining sector" growing much more strongly.

They've done this primarily by cutting interest rates to their lowest level in yonks, trying to encourage any spending that also involves borrowing, but particularly home building and home-related consumer spending.

Victoria will get some stimulus from this, but not much because it has already had a lot of building activity and may have some oversupply.

In contrast, NSW has a big backlog of home construction - arising from problems on the supply side that are the product of micro-economic mismanagement by this state government's predecessors. Its home building activity has already taken off, with much further to run.

Put all that together and you see why the last are about to start coming first.

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The two speeds not as far apart as claimed

Some people spent much of this year worrying about how the two-speed economy was affecting the south-eastern states. There was concern Victoria was on the brink of recession and South Australia and Tasmania were already in one.

So when, a week or two back, the Bureau of Statistics finally published the figures for the real growth in the various states' gross state product last financial year, 2011-12, there would have been great interest from the media, right?

Wrong. The only definitive figures we've had for economic growth by state for the past 12 months went virtually unreported.

Why? Because they were a bit dated? No. More likely because they showed no sign of recession. They also showed the gap between the fast and slow states to be narrower than we'd been led to believe.

Turns out we did a lot of worrying for nothing, misled by figures we should have known are always misleading.

The unreported figures show Victoria's gross state product grew by 2.3 per cent for 2011-12 as a whole, just a fraction less than NSW's 2.4 per cent. South Australia grew by 2.1 per cent and even Tasmania pushed ahead by 0.5 per cent.

By contrast, Queensland grew by 4 per cent and Western Australia by 6.7 per cent. Overall, gross domestic product (the national measure) grew by a respectable 3.4 per cent.

A point to remember, however, is that the populations of the states are growing at quite different rates and this accounts for part of the difference in the rates at which their economies are growing. Only to the extent a state's gross state product per person is increasing is it better off materially.

Nationally, economic growth of 3.4 per cent in 2011-12 drops to 1.8 per cent per person. Queensland's growth drops from 4 per cent to 2.2 per cent, while WA's drops from 6.7 per cent to 3.7 per cent.

Not quite so much cause for envy.

If you recollect reading during the year figures a lot more dramatic than these, you're right, you did. As I say, definitive figures for gross state product are published only once a year, on an annual basis. The figures the bureau publishes each quarter as part of the national accounts are for something quite different: state final demand.

These figures are always widely reported by the media, with journalists happily assuming SFD and GSP must surely be pretty much the same thing. Trouble is, they're not. And the media's insistence on reporting these largely meaningless figures means the public is regularly misled about the extent of differences between the state economies.

State final demand and gross state product would be pretty much the same thing if the states' shares of Australia's exports and imports never changed and, more to the point, if there was no trade between the states.

It shouldn't surprise you there's a lot of trade between the states. Nor should it surprise you the mining states import a lot more from the other states than they export to them. The other side of the coin is the other states - particularly NSW and Victoria - export more to the mining states than they import.

This trade between the states spreads the benefits of the resources boom around the continent. In consequence, the much-quoted state final demand figures tend to overstate how well the mining states are doing and understate how well the other states are doing.

That's how the recession furphy got started.

Consider this. According to the latest figures for 2011-12, WA state final demand of 13.5 per cent turned into gross state product of 6.7 per cent, while Queensland's final demand of 8.6 per cent was more than halved to 4 per cent.

By contrast, Victoria's final demand of 2.2 per cent was increased a fraction to gross product of 2.3 per cent, while NSW's final demand of 2 per cent was increased to 2.4 per cent.

SA's final demand and gross product were the same at 2.1 per cent (meaning it neither wins nor loses from the inclusion of international and interstate exports and imports), while Tasmania's final demand growth of zero was increased to gross product growth of 0.5 per cent.

You see how misleading those quarterly state final demand figures are. They exaggerate the true extent of the differences between the states.

So why do the media make so much of them? Because, at a time when the resources boom is doing so much to change the industry structure of our economy, there's much interest in what this is doing to the respective sizes of the state economies.

The quarterly state final demand figures don't give reliable answers to this question, but they're the best that regularly come our way.

But also because the ever-intensifying competition between the news media has prompted them to select their news on the basis of all care but no responsibility. If some information is interesting or controversial it will be published, even if the journalists know or suspect it's dodgy. After all, if I don't do it, my competitors will.

The relative sizes of the six state economies have been changing since federation, partly - but not solely - because of their differing rates of population growth. But, though it's possible to exaggerate the extent to which the resources boom is causing the mining and non-mining states to grow at different rates, the states' relative sizes have been changing particularly rapidly in recent years.

Those recent figures no one bothered to report, known as the State Accounts, showed how the states' shares of overall gross domestic product have changed over the eight years to 2011-12.

In that time, NSW's share has dropped 3.8 percentage points to 30.9 per cent. Victoria's share has dropped 2.6 points to 22.3 per cent.

By contrast, Queensland's share has increased 1.7 points to 19.3 per cent, while WA - which long ago overtook SA in the pecking order - had its share increase a remarkable 5.4 points to 16.2 per cent of overall GDP.

That leaves SA's share falling 0.8 points to 6.2 per cent and Tassie's falling 0.3 points to 1.6 per cent. Its share is now less than the ACT's (2.2 per cent) and only a fraction greater than the Northern Territory's (1.3 per cent).

Whether we like it or not, the shape of our economy is changing.

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MANAGING A THREE-SPEED ECONOMY

Talk to UBS Economics Lecture Day, Sydney, Tuesday, June 5, 2012

When you’re a manager of the Australian economy - when you’re the governor of the Reserve Bank in charge of monetary policy, or the federal Treasurer, in charge of fiscal policy - there’s always some problem you’re having to cope with. When the economy’s in recession, or growing only weakly, you probably don’t have a problem with inflation, but you are very worried about high unemployment and how you can get it down. When the economy’s growing strongly, you probably don’t have a problem with high unemployment, but you are worried about a build up in inflation pressure and what you have to do to keep inflation under control.

Economic report card

So what’s the big problem for the economic managers at present? Well, as you’ve been hearing, if you look overseas at the world economy, you find plenty. But I’m going to focus on our economy, and if you’d just arrived here from Mars and took a quick look, you might think it all looks pretty good. In last month’s budget, Wayne Swan forecast growth in real GDP in the coming financial year, 2012-13, of 3.25 per cent - which is right on the economy’s ‘trend’ rate of growth (its longer-term average rate, which is also its ideal cruising speed, so to speak). The latest figures say underlying inflation is running at 2.2 pc - almost down to the bottom of the RBA’s 2 to 3 pc inflation target. The latest figures say unemployment is running at about 5 pc - which economists say is down very close to our NAIRU - the non-accelerating-inflation rate of unemployment, which is the lowest point to which unemployment can fall before labour shortages start causing wage and price inflation. That is, unemployment is very close to its lowest sustainable rate. Even if you look at the latest figures for the current account deficit, you find it’s down at 2.3 pc of GDP, compared with its trend rate of about 4.5 pc.

The resources boom and its high dollar

So our Martian concludes everything in the Australian economy is going surprisingly well, and the economic managers don’t have any kind of problem at present. But they - and you and I - know better. The economic managers have, in fact, got plenty to worry about. Why? Because our economy is being hit by two major, but conflicting economic shocks: the expansionary effect of our exceptionally favourable terms of trade and the mining construction boom, and the contractionary effect of the accompanying high exchange rate.

The problem facing the economic managers at present is to ensure the net effect of those two conflicting forces continues to leave the economy growing at trend, with inflation within the target zone and unemployment neither much lower nor much higher than is now. For most of last year, the RBA’s biggest worry was that the economy would grow too strongly and inflation pressure would start to build. But that didn’t happen - partly because worries about what’s happening in the rest of the world dampened the confidence of consumers and businesses - and the economy didn’t grow as fast as forecast. Inflation is actually lower than expected, so now the RBA is focused on ensuring growth is fast enough to prevent much rise in unemployment.

The three-speed economy

Another way of saying the economy is not as problem-free as a Martian might think is to say, as so many people do, we have a two-speed economy: the part linked with mining is growing very strongly, while the part hit by the high dollar is growing only slowly. Similarly, the main mining states, Queensland and Western Australia, are in the fast lane, but the other states are in the slow lane. Actually, economic theory tells us it’s more accurate to think of the resources boom and the high dollar causing a three-speed economy. The third and middle lane is for the ‘non-tradeables sector’ - those mainly service industries that don’t export their product or compete against imports, so aren’t directly affected by the high dollar, but do benefit from their (and their customers’) access to cheaper imports. Industries and states in this middle lane won’t be growing as fast as the mining-related industries, but nor will they be as hard-hit as manufacturing and tourism.

The big problem: structural change

But perhaps the best way to think of it is that the problem facing the economy at present isn’t the usual cyclical problem - is the economy growing too fast or too slow? - but is more structural in nature. Economists argue that the exceptionally high prices we’re getting for our coal and iron ore exports and the huge investment we’re seeing in building new mines and liquid-gas facilities represents a long-lasting change in the rest of the world’s demand for our mineral (and rural) commodity exports. This necessitates change in the structure of our industries, with relatively more resources of labour and capital going to mining, and relatively fewer resources going to all other industries, but particularly manufacturing and service exports. Economists further argue that the high exchange rate is the market’s painful way of helping to bring about this structural change. They say that using government subsidies or other forms of protection to help our industries resist change reduces the efficiency with which the nation’s resources are allocated.

Retailing is another industry facing structural change as consumers shift their preferences from goods to services, and as the internet gives consumers access to overseas markets where retail prices are lower. This change is not related to the resources boom, but is related to the end of a long period when consumption grew faster than household income.

So the economic managers are having to manage the economy at a time when it is being hit by a lot of painful structural change. Let’s look at what they’re doing with the main economic instruments - or arms of policy - they use, starting with monetary policy, then moving to fiscal policy.

Monetary policy

Monetary policy is conducted by the RBA independent of the elected government. It is the primary instrument by which the managers of the economy pursue internal balance - low inflation and low unemployment. MP is conducted in accordance with the inflation target: to hold the inflation rate between 2 and 3 pc, on average, over the cycle. The primary instrument of MP is the overnight cash rate, which the RBA controls via market operations.

Aware the unemployment rate was only a little above the NAIRU and concerned the resources boom could lead to excessive wage growth, the RBA stood ready to tighten monetary policy throughout most of 2011. But, partly because of the lingering effect of the Queensland floods in early 2011, the economy did not accelerate as the RBA had forecast. Instead, the outlook for growth in the North Atlantic economies worsened, business and consumer confidence weakened and inflation continued to improve. So the RBA cut the cash rate by a click in both November and December of 2011, lowering it to 4.25 pc. In May it cut by a further 0.5 point to 3.75 pc, more than offsetting the banks’ efforts to preserve their profit margins and producing a net fall in the interest rates actually paid by households and businesses. With market interest rates a little below their long-run average, the stance of monetary policy is now mildly expansionary.

Fiscal policy

Fiscal policy - the manipulation of government spending and taxation in the budget - is conducted according to the Gillard government’s medium-term fiscal strategy: ‘to achieve budget surpluses, on average, over the medium term’. This means the primary role of discretionary fiscal policy is to achieve ‘fiscal sustainability’ - that is, to ensure we don’t build up an unsustainable level of public debt. However, the strategy leaves room for the budget’s automatic stabilisers to be unrestrained in assisting monetary policy in pursuing internal balance. It also leaves room for discretionary fiscal policy to be used to stimulate the economy and thus help monetary policy manage demand in exceptional circumstances - such as the GFC - provided the stimulus measures are temporary.

After the onset of the GFC, tax collections fell heavily, and they have yet to fully recover. The Rudd government applied considerable fiscal stimulus to the economy by a large but temporary increase in government spending.

The government’s ‘deficit exit strategy’ requires it to avoid further tax cuts and limit the real growth in government spending to 2 pc a year until the budget has returned to a surplus equivalent to 1 pc of GDP. The delay in returning to surplus is caused not by continuing high spending but by continuing weak revenue.

In this year’s budget the government shifted its spending plans around to allow it to keep its election promise to budget for (then actually achieve) a tiny budget surplus in 2012-13. After allowing for unimportant changes in the timing of spending and the effect on demand of particular budget measures, the stance of fiscal policy is much less contractionary than it appears to be, with the Treasury secretary estimating the effect to be less than 1 pc of GDP, which is still significant.

Macro bottom line

Should the contractionary stance of fiscal policy combine with other factors to weaken aggregate demand, the RBA has scope to counter this by further loosening monetary policy from its present stance of ‘mildly expansionary’.

Microeconomic policy

The objective of microeconomic policy is to achieve faster economic growth and make the economy more flexible in its response to economic shocks. Whereas macroeconomic policy seeks to stabilise demand over the short term, microeconomic policy works on the supply side of the economy over the medium to longer term, seeking to raise its productivity, efficiency and flexibility. It does this mainly by reducing government intervention in markets to increase competitive pressure. Much microeconomic reform since the mid-80s - including floating the dollar, deregulating the financial system, reducing protection, reforming the tax system, privatising or commercialising government-owned businesses and decentralising wage-fixing - has made the economy significantly less inflation-prone. In the second half of the 90s it also led to a marked improvement in productivity. But the micro reform push has fallen off and much of the government’s attention is directed to other reforms: the introduction of a minerals resource rent tax and the introduction of a price on carbon.

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Why the economy isn't splitting in two

The news from last week's national accounts seemed very clear and very worrying: the economy was splitting in two, with the mining-boom states of Queensland and Western Australia roaring off into the future, leaving the rest of Australia going nowhere fast.

Over the year to December, state final demand grew by more than 11 per cent in WA and by 10 per cent in Queensland, but by about 1.5 per cent in the rest of Australia.

Fortunately, the true position isn't nearly as bad as that, as Kathryn Davis, Kevin Lane and David Orsmond explain in an article in the March quarter Reserve Bank Bulletin, issued this week.

The trick was that label "state final demand". When we talk about "growth" in the context of the national accounts we're talking about growth in (real) gross domestic product - the value of all the goods and services produced by the market during a period.

We focus on production because it's production that creates jobs and generates income. The equivalent of GDP at state level is gross state product.

So if you want to compare how the states are travelling you compare the growth in their GSP.

Trouble is, the Bureau of Statistics doesn't publish GSP quarterly, only annually. What it does publish quarterly is state final demand, the national equivalent of which is "domestic final demand".

Because these are the only figures available, the media (and some economists who should know better) have fallen into the habit of assuming state final demand and GSP are much the same thing.

Wrong. State final demand differs from GSP in one minor respect and one major respect: it takes no account of exports and imports. And that's not just overseas exports and imports, it's also exports and imports between the states.

In other words, when you make state final demand a substitute for GSP you're implicitly assuming each state has no trade with either the rest of the world or even the other states. Or that its trade is always in balance.

Guess what? Make such unrealistic assumptions and you get misleading results.

The authors point out that growth in spending on home building and non-mining investment over the year to December didn't vary much between the states. There were two main differences. One was that whereas consumer spending grew by about 3.5 per cent in NSW, Victoria and Queensland, it grew by 6 per cent in WA.

The other difference was the huge growth in mining investment spending in WA and Queensland. This was what did most to explain why their growth in final demand was in double figures whereas NSW and Victoria's demand growth was so modest.

But here's the point: the Reserve estimates that roughly half the spending on mining investment goes on imported equipment. Take this into account and the gap between the mining and non-mining states gets a lot smaller.

Another factor narrowing the gap is that part of the miners' spending on investment (and their ordinary operations) goes on goods and services, such as accounting and consulting services, produced in other states. And some of the workers who fly-in/fly-out take their income home to other states.

To give you an idea of how the shift from state final demand to GSP narrows the gap between the states, let's look at the most recent figures, for 2010-11 as a whole. The final demand figures show spending growth ranging from 1.4 per cent in SA to 6.5 per cent in WA - a spread of 5.1 percentage points.

But the GSP figures show production growth ranging from 0.2 per cent in Queensland (get that) to 3.5 per cent in WA - a spread of 3.3 percentage points. After WA came Victoria on 2.5 per cent, SA on 2.4 per cent, NSW on 2.2 per cent and Tasmania on 0.8 per cent.

In other words, state final demand provided a quite misleading guide to the states' ranking. Queensland does so well on spending but so badly on production because, though it gains from having a fair bit of mining, it loses from being so dependent on tourism (hard-hit by the high dollar).

In the absence of more up-to-date figures for GSP, the trick is to examine independently estimated direct and indirect measures of state activity. If the mining states really were growing five or six times faster than the other states, you'd expect that to mean they had much lower rates of unemployment and much higher rates of inflation than the others.

It's true WA's trend unemployment rate was a very low 4.1 per cent in February, but the other mainland states were all tightly bunched around the national average rate of 5.2 per cent. As for inflation, over the year to December the mining states had the lowest rates rather than the highest.

If the gap between the mining states and the rest turns out to be narrower than you expected it's because you've been misled by all the talk of a two-speed economy: mining in the fast lane, manufacturing in the slow.

In truth, and as the distinguished economist Max Corden, of the University of Melbourne, reminded us this week, it's actually a three-speed economy, with mining in the fast lane and manufacturing (plus other export and import-competing industries) in the slow lane, but with almost all other industries - the non-tradable sector - in the middle lane.

This matters because the non-tradable sector benefits from the mining boom and the high dollar in two ways: from the increase in national income brought about by the high commodity prices, and from the lower prices of imports brought about by the high dollar.

Guess what? This non-tradable sector accounts for the great majority of production and employment in all states bar WA (where mining accounts for an amazing 33 per cent of GSP).

The people of Victoria see their state as weak on mining (true) and heavily dependent on manufacturing. Not true: manufacturing accounts for 8 or 9 per cent of GSP in all states bar WA (5 per cent). Where Victoria and NSW stick out is in their dependence on the business services sector (particularly financial and insurance services), which accounts for 28 per cent and 30 per cent of GSP, respectively, compared with about 17 per cent in the other states.

It's because business services are mainly in the not-hard-hit non-tradable sector that Victoria and NSW aren't travelling too badly compared with the mining states.

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Nice set of figures should shut up the gloomsters

Something strange is happening to the Australian psyche at present. A lot of people are feeling down about the economy. They're convinced it's pretty weak, and any bit of bad news gets a lot of attention.

But most of the objective evidence we get about the state of the economy says it is, under the circumstances, surprisingly strong. Consider the national accounts we got this week.

They show the economy - real gross domestic product - grew by 1 per cent in the September quarter, more than most economists were expecting. And not only that, the Bureau of Statistics went back over recent history, revising up the figures.

Originally we were told the economy grew by a rapid 1.2 per cent in the June quarter, but now we're told it grew by an even faster 1.4 per cent. Originally we were told the economy contracted by 1.2 per cent in the March quarter because of the Queensland floods and cyclone, but now we're told the contraction was only 0.7 per cent.

Those figures hardly fit with all the gloominess. So how fast is the economy travelling, on the latest numbers? We're told it grew by 2.5 per cent over the year to September, but that figure includes the once-off contraction in the March quarter, which is now ancient history.

We could do it the American way and say we grew at an ''annualised rate'' of 4 per cent in the September quarter (roughly, 1 per cent x 4), but that's too high because this quarter (and the previous one) includes a bit of ''payback'' (or, if you like, catch-up) as the Queensland economy got back to normal after its extreme weather.

(There's likely to be more catch-up in the present quarter as the Queensland coalmines finally pump out all the water and resume their normal level of exports, suggesting the Reserve Bank is reasonably safe to achieve its forecast of 2.75 per cent growth over the year to December.)

So the best assessment is that at present the economy is growing at about its ''trend'' (long-term average) rate of 3.25 per cent a year. If so, everything's about normal.

Ah yes, say the gloomsters, but all the growth's coming from the mining boom. Before we check that claim, let's just think about it. If we were viewing our economy in comparison with virtually every other developed economy, we'd be thanking our lucky stars for the mining boom.

But not us; not in our present mood. We're feeling sorry for ourselves because, for most of us, the benefits of the boom come to us only indirectly. (The other thing we ought to be thankful for apart from our luck is 20 years of clearly superior management of our economy. In stark contrast to Europe and the US, we have well-regulated banks and stuff-all public debt.)

It's true the greatest single contributor to growth in the September quarter was the boom in investment in new mines. New engineering construction surged 31 per cent in the quarter and total business investment spending rose by almost 13 per cent.

But though most of that remarkable boost is explained by mining, there was also a healthy increase in manufacturing investment.

And here's a point some people have missed: the second biggest contribution to growth in the September quarter (a contribution of 0.7 percentage points) came from the allegedly cautious consumer.

Consumer spending grew by 1.2 per cent in the quarter and by 3.8 per cent over the year to September. That's actually above its long-term trend. And consumer spending was strong in all the states, ranging from rises of 0.8 per cent in Victoria, 0.9 per cent in Western Australia (note) and 1.1 per cent in NSW, to 1.9 per cent in Queensland (more catch-up).

Although households are now saving about 10 per cent of their disposable incomes, this saving rate has been reasonably steady for the past nine months. So consumer spending is growing quite strongly because household income is growing quite strongly.

It's noteworthy that, according to Treasury, non-mining profits rose by 4.7 per cent in the quarter. And according to Kieran Davies, of the Royal Bank of Scotland, non-mining GDP grew by a solid 0.7 per cent in the quarter, just a fraction below trend.

So the notion that mining (and WA and Queensland) might be doing fine but everything else is as flat as a tack is mistaken. It's true, however, that some industries are doing it tough. Consumers are spending at a normal rate, but their spending has shifted from clothing and footwear and department stores to restaurants, overseas travel and other services.

Home-building activity declined during the quarter - a bad sign. The continuing withdrawal of the earlier budgetary stimulus meant that government spending fell by 2.5 per cent during the quarter. Public spending was a drag on growth in all states bar WA and Queensland (more catch-up).

Our terms of trade - export prices relative to import prices - improved by 2.7 per cent in the quarter (and by 13 per cent over the year to September) to be their best on record. But that's likely to be the peak, with key export prices falling somewhat in the present quarter.

The volume of exports rose by 2 per cent in the quarter, but the volume of imports rose by 4.3 per cent, mainly because of imports of capital equipment. So ''net exports'' (exports minus imports) subtracted 0.6 percentage points from overall growth in real GDP during the quarter.

Ah yes, say the gloomsters, but all this is old news - the September quarter ended more than two months ago. The economy must have slowed since then. After all, look at this week's news of a rise in the unemployment rate to 5.3 per cent in November.

It does seem true the labour market isn't as strong as the strength of economic activity would lead us to expect. This could indicate a degree of caution on the part of employers. But the rise in unemployment is slow and small, and if it's only up to 5.3 per cent we're still doing very well by the standard of the past 20 years.

As for the tempting line that everything's gone bad since the strong growth in the September quarter, just remember: that's what the gloomsters said when they saw the good growth figures for the previous quarter. Turned out to be dead wrong.

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Why economists are obsessed by the resources boom

The world is throwing two big things at our economy. One is new, exciting, even frightening, and is getting all the headlines. The other is old news and getting boring. But get this: the boring one is by far the more important.

The new and exciting story is the increasingly worrying developments in the euro area. The old story is the resources boom. Both come to us from the rest of the world. In terms of their effect on our economic growth, the resources boom is a huge stimulus, whereas Europe's problems are a drag on our growth. That drag is small so far but, if the worst comes to the worst, could be a big negative.

Another reason the commodity boom is less exciting is that we've had plenty of them before over our history. But one reason we shouldn't underestimate the boom is that, paradoxically, previous booms have really stuffed up our economy. And these booms can be great for some parts of the economy while making life really tough for other parts.

This week Treasury's Dr David Gruen gave a speech to the Australian Business Economists in which he compared this commodity boom with the one we had in the early 1970s. It helps you see why the econocrats who manage our economy are positively obsessed by the need to make sure we don't stuff this one up.

In contrast to this one, the commodities boom of the early '70s involved big rises in the prices we were getting for our agricultural exports. It got going under the McMahon Coalition government and continued under the Whitlam Labor government.

Comparing the two booms, after the first three years our terms of trade - the prices we receive for our exports compared with the prices we pay for our imports - had improved by about the same extent. In the '70s, they then fell back. This time, however, they continued improving to now be almost 50 per cent better than their best then.

So this boom is a mighty lot bigger - Gruen calls it a ''once-in-a-lifetime boom'' - and a lot longer. This one's been building for eight years (with a brief interruption by the global financial crisis), whereas the earlier one lasted only about three years. The reason this boom is much bigger and longer is that it arises from a historic shift in the structure of the world economy - the industrialisation of Asia - whereas the '70s boom arose merely from an upswing in the rich countries' business cycle.

The greater size and length of this commodity boom has two important implications. First, it's given our miners both the incentive and the time to invest in hugely increasing their capacity to export coal, iron ore and now natural gas. That didn't happen with farmers in the '70s. This present investment boom has added an extra dimension to this boom, thus causing its effect on the economy to be bigger.

Second, the '70s boom was too small and short to have much effect on the industry structure of our economy. But this boom will leave us with a much bigger mining and mining-related sector, thus reducing the relative size of other sectors and putting a lot of pressure to adjust on some industries, particularly manufacturing, tourism and education. It's actually changing our economy's ''comparative advantage'' (what we're good at relative to other countries).

Naturally enough, both commodity booms caused the economy to grow faster. But in the '70s growth was a lot more variable. Real gross domestic product grew almost 9 per cent over the year to March 1973, but by 1975 the economy was contracting. It recovered, then contracted again in 1977. Unemployment, which had been very low for many years, shot up and stayed up. This time, growth has been strong but steady and unemployment has fallen and then stayed pretty low.

In the '70s, the inflation rate took off, reaching a peak of 17 per cent in the mid-1970s and staying pretty high until the mid-1990s. Obviously, the '70s commodities boom can't take all the blame for this long period of economic malfunctioning. But it should get a fair bit, and it certainly got the rot off to a good start.

There's one other big difference between the two booms that does a lot to explain why this boom hasn't caused nearly as much volatility, inflation and unemployment as the first one did: the exchange rate.

The present boom quickly brought about a rise in the value of our dollar. Since June 2002 it has risen by about 45 per cent against the trade-weighted index. In the '70s, the rise didn't happen nearly as quickly or smoothly.

Why not? Because then we had a fixed exchange rate. It could be changed only by a government decision. For political reasons, the two governments waited too long and didn't do enough to get the dollar up.

The point is that our floating currency acts as a shock-absorber when the economy is hit by some shock - favourable or unfavourable - from abroad. In this boom, the higher dollar has caused the Australian-dollar income of the miners to rise by less than it would have, and has effectively handed that reduction in their income to all the other industries and individuals who buy imports. How's it done that? By making imports cheaper.

By transferring income from the miners to the non-miners, the high dollar has helped ensure the rest of Australia gets its cut from the boom, but it's also reduced the size of the commodity boom's effect on the growth in gross domestic product by directing a fair bit of the increased demand into imports. This has caused the boom to generate less inflation pressure, as well as directly reducing the prices of imported goods and services.

So it's clear the present boom has had far more benign effects on the economy than the '70s one did. Our economic managers get a lot of the credit for that, but much credit is due simply to our floating exchange rate.

Gruen concludes, ''if a sizeable boom is being generated in one part of the economy, significant restraint needs to be imposed on other parts to ensure that the economy overall does not overheat''. See what he's saying? Yes, you're right, there is a multi-speed economy and manufacturers and service exporters are doing it tough. But that's not happening by unhappy accident, it's happening by design. Live with it.

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Numbers say we're growing quite nicely

The mildness of last year's recession means the economy has now entered its 20th year of growth since the deep recession of the early 1990s. But how has this growth been distributed through the economy? That's a question Ric Battellino, the deputy governor of the Reserve Bank, set out to answer in a most informative speech last week.

It's a question you can answer in different ways. For a start, since June 1991, 3.5 million additional jobs have been created, representing an average increase of 2 per cent a year. Income per household has risen in total by 30 per cent in real terms.

But this means employment grew faster than the population. How was this possible? Because there was a rise in the proportion of the population choosing to participate in the workforce and also because of a fall in the rate of unemployment from 9 per cent to a little over 5 per cent.

When you divide the growth between the states, however, it was quite uneven. Over the 18 years to 2008-09, Queensland grew at an average rate of 4.8 per cent a year, followed by Western Australia on 4.5 per cent. Victoria came third on 3.7 per cent. At the rear came South Australia, Tasmania and NSW on about 2.9 per cent.

But much of this faster economic growth came because of faster population growth. Queensland's population grew at the rate of 2.2 per cent a year, followed by Western Australia on 1.8 per cent, Victoria (1.2 per cent), NSW (1 per cent), South Australia (0.6 per cent) and Tasmania (0.4 per cent).

So it turns out when you look at growth per person - that is, at the growth in material living standards - much of the disparity disappears. Western Australia's average growth in real income per person of 2.7 per cent was just a fraction faster than Queensland's (2.6 per cent) and Victoria and Tasmania's (both 2.5 per cent). Then came South Australia on 2.3 per cent and NSW on 1.8 per cent.

Thus a 2 percentage point disparity in income growth between the fastest and slowest states was reduced to less than a 1 percentage point disparity after allowing for population growth.

Similarly, the disparity in unemployment rates isn't all that great, with most states ending up on 5.6 per cent, but with Tasmania on 6.5 per cent and WA on 4.4 per cent.

Another question is how the increased income over the period was distributed between households of different income levels. If you imagine it's got a lot more unequal, then you've been reading too many newspapers.

"Income relativities across the bulk of the population did not change much over the period, though the relative position of households in the top 10 per cent of the income distribution improved somewhat, and that of households in the lowest 10 per cent deteriorated," Battellino said.

One area where there has been sizeable differences in growth performance is between industries.

Over the 17 years to June 2009, Australia's total output grew at an average rate of 3.6 per cent a year and each of the 14 industry categories recorded positive growth in their output. But some grew faster than the national average and some grew more slowly than it.

Those growing at rates well above the average included financial services, professional and technical services, and construction. Those growing at rates well below the average included agriculture and manufacturing.

Now we've covered the differing growth rates, we can look at how the structure of industry has changed - that is, at industries' changing shares of the economy.

The financial services sector's share of total output (gross domestic product) has grown by a remarkable 3.8 percentage points to 10.8 per cent, making it now our biggest industry.

The financial sector has long grown faster than the rest of the economy in all the developed countries because we've been borrowing and lending more, saving more for retirement through pension funds (in Australia, because 9 per cent of wages is going into super funds) and doing more to manage risks by use of derivatives.

Just how sensibly based all this financial activity has been we may now question, following the global financial crisis and its revelations. It might not be a bad thing for the financial sector to grow at a slower rate than the rest of the economy in coming years.

The mining sector's share of GDP has grown by 2.7 percentage points to 7.7 per cent, probably the biggest it's been since the gold rush and bigger than any other developed country can claim.

Even so, that's probably not as big as many people have imagined from all the fuss about the resources boom. But with the growth of mining has gone the rise in the construction sector's share of GDP, by 1.1 percentage points to 7.4 per cent.

You may imagine that, to the extent it comes from the building of new mines and natural gas facilities, this increase in construction will be temporary. Not that temporary. The miners have plans to keep constructing new facilities for the rest of the decade at least.

Leaving aside China's continuing demand for our resources, if India keeps growing at the rates it has been over the past decade it will need huge quantities of iron ore, and much of that will come from Australia.

The growth in mine building probably also does much to explain the rise in the share of the "professional, scientific and technical services" sector by 1.8 percentage points to 6.1 per cent.

But if some industries' shares of the economy are getting bigger, others' shares must be getting smaller. The two stand-out cases are agriculture (down 0.7 percentage points to a mere 2.6 per cent of GDP) and manufacturing (down 4.6 percentage points to 9.4 per cent). So the past 17 years have seen manufacturing decline from our largest industry to our fourth largest (after financial services, education and health, and retail and wholesale). Remember, both agriculture and manufacturing are producing a lot more than they did in the early '90s; it's just that other sectors have grown faster.

Many people lament manufacturing's declining importance in our economy (and every other developed economy) as economies become more services-intensive and less goods-intensive and as the global growth in manufacturing shifts to the developing world. But as Battellino observes, manufacturing's small share of our economy has been one reason we fared so well over the past couple of decades (not to mention in the global financial crisis).

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