Since the Great Depression, presidents have frequently experimented with Keynesian economics to combat recessions.
Three economists chronicle the history of government policy during past recessions and explain what worked and what didn’t.
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Source:
How the Government Dealt With Past Recessions
NYT, January 26, 2009
http://www.nytimes.com/interactive/2009/01/26/business/economy/20090126-recessions-graphic.html