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Labor Markets and Monetary Policy: A New-Keynesian Model with Unemployement

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Author Info
Olivier Blanchard
Jordi Galí ()

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Abstract

We construct a utility-based model of fluctuations, with nominal rigidities and unemployment, and draw its implications for the unemployment-inflation trade- off and for the conduct of monetary policy. We proceed in two steps. We first leave nominal rigidities aside. We show that, under a standard utility specification, productivity shocks have no effect on unemployment in the constrained efficient allocation. We then focus on the implications of alternative real wage setting mechanisms for fluctuations in un- employment. We show the role of labor market frictions and real wage rigidities in determining the effects of productivity shocks on unemployment. We then introduce nominal rigidities in the form of staggered price setting by firms. We derive the relation between inflation and unemployment and discuss how it is influenced by the presence of labor market frictions and real wage rigidities. We show the nature of the tradeoff between inflation and unemployment stabilization, and its dependence on labor market characteristics. We draw the implications for optimal monetary policy.

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Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 1076.

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Date of creation: Mar 2006
Date of revision: Mar 2008
Handle: RePEc:upf:upfgen:1076

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Web page: http://www.econ.upf.edu/

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Related research
Keywords: New-Keynesian model labor market frictions search model unemployment sticky prices real wage rigidities

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Find related papers by JEL classification:
E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General

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References listed on IDEAS
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  1. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March. [Downloadable!] (restricted)
  2. Barro, Robert J, 1988. "The Persistence of Unemployment," American Economic Review, American Economic Association, vol. 78(2), pages 32-37, May. [Downloadable!] (restricted)
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Cited by:
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  1. Jung, Philip, 2007. "Optimal Taxation and (Female)-Labor Force Participation over the Cycle," MPRA Paper 8744, University Library of Munich, Germany, revised 13 May 2008. [Downloadable!]
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