Does the labor share of income drive inflation?
Woodford (2001) has presented evidence that the new-Keynesian Phillips curve fits the empirical behavior of inflation well when the labor income share is used as a driving variable, but fits poorly when deterministically detrended output is used. He concludes that the output gap--the deviation between actual and potential output--is better captured by the labor income share, in turn implying that central banks should raise interest rates in response to increases in the labor share. We show that the empirical evidence generally suggests that the labor share version of the new-Keynesian Phillips curve is a very poor model of price inflation. We conclude that there is little reason to view the labor income share as a good measure of the output gap, or as an appropriate variable for incorporation in a monetary policy rule.
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- Sbordone, Argia M., 2002.
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- Argia M. Sbordone, 2001. "Prices and Unit Labor Costs: A New Test of Price Stickiness," Departmental Working Papers 200112, Rutgers University, Department of Economics.
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Journal of Monetary Economics,
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"Inflation Dynamics: A Structural Econometric Analysis,"
NBER Working Papers
7551, National Bureau of Economic Research, Inc.
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Federal Reserve Bank of San Francisco, issue Mar.
- Ryo Kato, 2003. "Matlab code for Sbordone's estimation for a sticky price model," QM&RBC Codes 116, Quantitative Macroeconomics & Real Business Cycles.
- Argia M. Sbordone, 2001. "An Optimizing Model of U.S. Wage and Price Dynamics," Departmental Working Papers 200110, Rutgers University, Department of Economics.
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"The case for price stability,"
01-02, Federal Reserve Bank of Richmond.
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"The cyclical behavior of prices and costs,"
Handbook of Macroeconomics,
in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 16, pages 1051-1135
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