Nobel Prize-winning economist Paul Krugman said the government could borrow up to $5 trillion -- if needed -- to speed up a recovery from the recession.
A stimulus plan of that size is probably not needed, but Krugman said he believes the $775 billion proposal from President-elect Barack Obama isn't big enough.
"We're not in a depression. But we are in a situation where the normal tools don't work and we're back to 1930s-type environment," Krugman said in an interview with ABC News....
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