Why do huge external imbalances herald disaster? Martin Wolf, the FT’s chief economics commentator, explains what happens when some countries spend much less than their incomes and so run big current account surpluses, while others do the opposite.
► FT Comment: http://bit.ly/1ImtZ8r
► FT World News: http://bit.ly/1Exp0iJ
Click here for more FT Comment videos
For more video content from the Financial Times, visit http://www.FT.com/video