Stiglitz Says Fed Rate Policy May Cause Asset Bubbles [Getty Images]

Joseph Stiglitz, Nobel Prize-winning economist, speaks at the World Business Forum in New York, U.S., on Wednesday, Oct. 6, 2010. Stiglitz said the Federal Reserve's policy of cutting interest rates to a record low has had repercussions worldwide, including currency misalignments and the risk of asset price bubbles. Photographer: Craig Ruttle/Bloomberg via Getty Images

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