World needs $100 trillion more credit, says World Economic Forum

``The world's expected economic growth will have to be supported by an extra $100 trillion (£63 trillion) in credit over the next decade, according to the World Economic Forum... But researchers warned that leaders must be wary of new credit "hotspots", where too much lending takes place, as the world emerges from a financial catastrophe blamed in large part "to the failure of the financial system to detect and constrain" these areas of unsustainable debt. ''