Robert Shimer (born August 21, 1968) is an American macroeconomist and labor economist who currently holds the George J. Stigler Distinguished Service Professor in Economics and the College at the University of Chicago. From 2018 through 2024 he served two terms at the Chair of the Kenneth C. Griffin Department of Economics. He was an editor of the ''Journal of Political Economy'' from 2004 to 2012. His research focuses on the search and matching approach to labor economics. He is especially known for arguing that the standard labor market matching model predicts fluctuations in the unemployment rate much smaller than those actually observed over the business cycle, an observation which has sometimes been called the Shimer puzzle. His book ''Labor Markets and Business Cycles'' was published in 2010 by Princeton University Press, and was recommended by Robert Hall:
:Shimer's definitive account of the modern theory of labor market volatility presents many new results and deserves a prominent place on the bookshelf of every macroeconomist and labor economist.
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