PRINCETON, NJ - OCTOBER 10: Princeton University professor Christopher Sims (L) and Thomas Sargent, a New York University economist who is a visiting professor at Princeton speak to the media on the ... more 
PRINCETON, NJ - OCTOBER 10: Princeton University professor Christopher Sims (L) and Thomas Sargent, a New York University economist who is a visiting professor at Princeton speak to the media on the campus of Princeton University October 10, 2011 in Princeton, New Jersey. Sims and Sargent were honored with the Nobel Prize for their work in answering "questions regarding the causal relationship between economic policy and different macroeconomic variables such as GDP (gross domestic product), inflation, employment and investments," the Royal Swedish Academy of Sciences noted in announcing the award today. (Photo by William Thomas Cain/Getty Images) less 
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Getty Images | Photo By William Thomas Cain / Getty Images
Mon, Oct 10, 2011 4:02 PM EDT