Jan. 7, 2011 (BBC) -- The US economy is showing signs of a "self-sustaining recovery", but is not growing fast enough to reduce high jobless levels, Federal Reserve chairman Ben Bernanke has said.
Mr Bernanke told the Senate Budget Committee it could take four to five years for the job market to normalise.
As well as unemployment, he said low inflation was also a concern.
"Very low inflation increases the risk that new adverse shocks could push the economy into deflation," he said.
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