After the housing crisis and the credit crisis, now comes the US consumer confidence crisis. It is time to admit that the US economy is headed for a serious economic downturn – much bigger than suggested by the central bankers’ euphemism when they talk about “downside risks to growth”.

The world economy can now look forward to confronting four ugly and partly interrelated shocks at the same time: a US economy heading for the rocks, a rise in global inflation, a collapse in the dollar’s exchange rate and a credit market crisis.