Skyscrapers and 'correlation' with stock market crashes

There may be a new way of forecasting a financial crisis, and that's by assessing the number of skyscrapers a country is building or has already.

According to Barclays Capital , there is an "unhealthy correlation" between building the world's next tallest building and an impending financial crash.

Both China and India are the new high risk targets, says Barclays Capital in its latest report. The report's author, Andrew Lawrence, explains why big building booms lead to economic busts.