If the US, the world's biggest economy, starts to contract again and the Europeans' government debt problems prompt more austerity, the world economy will be plunged back into recession. Is that what you think? If so, your picture of the world economy is about 20 years out of date.
There are cultural, historical, family and language reasons why we focus our attention on Europe and the US. The media keeps us well informed about what's happening in their economies. And since, between them, they account for a big chunk of the world economy, it's easy to assume that where they go the rest of the world follows.
Indeed, that used to be true. When I first got into this game, the Organisation for Economic Co-operation and Development used to make forecasts for its 24 rich-member countries, add them up and call it the world economy.
But consider these figures from the Reserve Bank's latest statement on monetary policy. Over the four-and-a-bit years since the March quarter of 2007, the world economy has grown by about 10 per cent in real terms.
The contribution of the North Atlantic economies (the US, Canada, Britain and the euro area) to that growth was near enough to zero. So all the net growth the world's seen in that time has come from the remaining, mainly developing, economies.
Between them, the Chinese and Indian economies have grown by nearly 50 per cent, while east Asia (excluding China and Japan) grew by almost 20 per cent.
The faster the developing countries grow relative to the rich countries, the larger their share of the world economy becomes. An article in The Economist points to the many respects in which the world economy is coming to be dominated by the "emerging economies", as they're increasingly called.
As many as 11 of these economies have emerged to the point where they've been reclassified as developed rather than developing. But when you do that, you understate the extent to which the developing countries are taking over the running. So the figures that follow classify as developing all those countries that hadn't made it to developed status before 1997.
The developed countries account for only about 15 per cent of the world's population, but in 1990 they accounted for 80 per cent of gross world product. By last year that share had dropped to 60 per cent. It is projected to fall to less than half within the next seven years.
But that calculation is based on converting each country's gross domestic product into US dollars at market rates. This understates the developing countries' share of gross world product (GDP) because one US dollar buys a lot more in poor countries than in rich countries.
When you adjust for "purchasing-power parity" you find the developing countries' share of gross world product reached 50 per cent three years ago and is expected to reach 54 per cent this year. Their share of world exports has reached half, which is almost double what it was in 1990.
Much of these exports would be produced by multinational companies operating in developing countries, so it's no surprise the developing countries attract more than half of all the inflows of foreign direct investment.
So far, this conforms to the popular perception of developing countries as economies that make their living selling cheap exports to rich countries. But The Economist observes that "foreign firms are increasingly lured by these countries' fast-growing domestic markets as much as [by] lower wages".
That's the point: developing countries are increasingly standing on their own feet, generating their growth internally.
The mainstays of "domestic demand" are capital (investment) spending and consumer spending. The developing countries now account for more than half the world's capital spending, compared with a quarter 10 years ago.
Last year the US's capital spending was just 16 per cent of its GDP compared with 49 per cent in China. (Ours was 28 per cent.)
The developing countries' share of world consumer spending is only 34 per cent, though this is up from 24 per cent 10 years ago (and would be higher if you allowed for the lower prices they pay for housing and services).
Even so, their shares are: 46 per cent of world retail sales; 52 per cent of all new car sales (up from 22 per cent in 2000) and 82 per cent of all mobile phone subscriptions.
You can see from this how rapidly living standards are rising in poor countries. And when the locals start spending, some of that spending is on imports. Last year the developing countries' share of world imports rose to 47 per cent.
So whereas we're accustomed to thinking of developing countries as dependent on rich countries, it's becoming more the case that the rich countries depend on the developing countries.
Even so, because the developing countries are still at the early stages of developing their economies, their demand for basic commodities - whether locally produced or imported - exceeds their demand for sophisticated goods and services.
They account for 60 per cent of the world's annual energy consumption, 65 per cent of all copper consumption and 75 per cent of all steel use. Yet, as The Economist remarks, there's plenty of room for growth: they use 55 per cent of the world's oil but their consumption per person is still less than a fifth of that in the rich world. (Always assuming we don't run out of oil, of course.)
And here's a pertinent reason the developing countries are likely to continue growing faster than the North Atlantic economies: they're responsible for only 17 per cent of the world's government debt.
No prize for having guessed the punchline: the rich countries likely to do best over the rest of this troubled decade are those most closely plugged into the developing world.
Heard of a poor, cautious, sorry-for-itself country called Australia? It sells less than 10 per cent of its exports to Europe and only 5 per cent to the US, but about two-thirds to developing countries.
Most of those countries are in Asia, of course, the most dynamic part of the world economy. In just the past 10 years, China's share of our exports of goods and services has gone from 5 per cent to 23 per cent, and India's has risen from 2 per cent to 7 per cent.
As Wayne Swan keeps saying, Australia is in the right place at the right time.
