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Resurrecting the Role of the Product Market Wedge in Recessions

Mark BilsBenjamin A. MalinPeter J. Klenow

出版	National Bureau of Economic Research, 2014
URL	http://books.google.com.hk/books?id=8_n2oQEACAAJ&hl=&source=gbs_api

註釋Employment and hours appear far more cyclical than dictated by the behavior of productivity and consumption. This puzzle has been called "the labor wedge" -- a cyclical intratemporal wedge between the marginal product of labor and the marginal rate of substitution of consumption for leisure. The labor wedge can be broken into a price markup and a wage markup. Based on the wages of employees, the literature has attributed the labor wedge almost entirely to labor market distortions. Because employee wages may be smoothed versions of the true cyclical price of labor, we instead examine the self-employed and intermediate inputs, respectively. Any observed cyclicality in wedges calculated for these inputs cannot reflect wage markups. Looking at the past quarter century in the U.S. -- including the Great Recession and its aftermath -- we find that price markup movements are at least as important as wage markup movements. Thus, sticky prices and other forms of countercyclical markups deserve a central place in business cycle research, alongside sticky wages and matching frictions.