The world economy is on the brink of another major downturn. Global economic growth started to decelerate on a broad front in mid-2011 and is estimated to have averaged 2.8 per cent over the last year. This economic slowdown is expected to continue into 2012 and 2013. The United Nations baseline forecast for the growth of world gross product (WGP) is 2.6 per cent for 2012 and 3.2 per cent for 2013, which is below the pre-crisis pace of global growth.

Persistent high unemployment in the United States and low wage growth are holding back aggregate demand and, together with the prospect of prolonged depressed housing prices, this has heightened risks of a new wave of home…