Central bank shock potential

As the 2008 economic crisis took hold, central banks around the world scrambled to prop up their economies. The result: monetary easing on a global scale.
However there's been fierce debate over whether these stimulus efforts – such as the U.S. Federal Reserve's massive bond-buying program – could have done more harm than good.
David Tice, president of Tice Capital and founder of the Prudent Bear Fund, warned last month that a jolt to international confidence in central banks would lead to a 30 to 60 percent market decline.
We take a look at three of the world's key central banks, and the global risks they pose.

http://www.cnbc.com/id/101967675#.