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Labor Markets and Monetary Policy: A New Keynesian Model with Unemployment

  • Olivier Blanchard
  • Jordi Galí

We construct a utility-based model of fluctuations with nominal rigidities and unemployment. We first show that under a standard utility specification, productivity shocks have no effect on unemployment in the constrained efficient allocation. That property is also shown to hold, despite labor market frictions, in the decentralized equilibrium under flexible prices and wages. Inefficient unemployment fluctuations arise when we introduce real-wage rigidities. As a result, in the presence of staggered price setting by firms, the central bank faces a trade-off between inflation and unemployment stabilization, which depends on labor market characteristics. We draw the implications for optimal monetary policy. (JEL E12, E24, E52)

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File URL: http://www.aeaweb.org/articles.php?doi=10.1257/mac.2.2.1
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File URL: http://www.aeaweb.org/aej/mac/data/2009-0108_data.zip
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Article provided by American Economic Association in its journal American Economic Journal: Macroeconomics.

Volume (Year): 2 (2010)
Issue (Month): 2 (April)
Pages: 1-30

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Handle: RePEc:aea:aejmac:v:2:y:2010:i:2:p:1-30
Note: DOI: 10.1257/mac.2.2.1
Contact details of provider: Web page: https://www.aeaweb.org/aej-macro
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  1. Olivier Jean Blanchard & Jordi Galí, 2005. "Real wage rigidities and the New Keynesian model," Working Papers 05-14, Federal Reserve Bank of Boston.
  2. Thomas, Carlos, 2008. "Search and matching frictions and optimal monetary policy," Journal of Monetary Economics, Elsevier, vol. 55(5), pages 936-956, July.
  3. Faia, Ester, 2006. "Optimal monetary policy rules with labor market frictions," Working Paper Series 0698, European Central Bank.
  4. Gali, Jordi & Gertler, Mark, 1999. "Inflation dynamics: A structural econometric analysis," Journal of Monetary Economics, Elsevier, vol. 44(2), pages 195-222, October.
  5. Mark Bils & Peter J. Klenow, 2004. "Some Evidence on the Importance of Sticky Prices," Journal of Political Economy, University of Chicago Press, vol. 112(5), pages 947-985, October.
  6. Christoffel, Kai & Linzert, Tobias, 2005. "The role of real wage rigidity and labor market frictions for unemployment and inflation dynamics," Working Paper Series 0556, European Central Bank.
  7. Trigari, Antonella, 2004. "Equilibrium unemployment, job flows and inflation dynamics," Working Paper Series 0304, European Central Bank.
  8. Mark Gertler & Luca Sala & Antonella Trigari, 2008. "An Estimated Monetary DSGE Model with Unemployment and Staggered Nominal Wage Bargaining," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(8), pages 1713-1764, December.
  9. Marcus Hagedorn & Iourii Manovskii, 2008. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," American Economic Review, American Economic Association, vol. 98(4), pages 1692-1706, September.
  10. Krause, Michael U. & Lubik, Thomas A., 2007. "The (ir)relevance of real wage rigidity in the New Keynesian model with search frictions," Journal of Monetary Economics, Elsevier, vol. 54(3), pages 706-727, April.
  11. Emi Nakamura & Jón Steinsson, 2008. "Five Facts about Prices: A Reevaluation of Menu Cost Models," The Quarterly Journal of Economics, Oxford University Press, vol. 123(4), pages 1415-1464.
  12. Antonella Trigari, 2006. "The Role of Search Frictions and Bargaining for Inflation Dynamics," Working Papers 304, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  13. Moyen, Stephane & Sahuc, Jean-Guillaume, 2005. "Incorporating labour market frictions into an optimising-based monetary policy model," Economic Modelling, Elsevier, vol. 22(1), pages 159-186, January.
  14. Christopher J. Erceg & Dale W. Henderson & Andrew T. Levin, 1999. "Optimal monetary policy with staggered wage and price contracts," International Finance Discussion Papers 640, Board of Governors of the Federal Reserve System (U.S.).
  15. Andolfatto, David, 1996. "Business Cycles and Labor-Market Search," American Economic Review, American Economic Association, vol. 86(1), pages 112-32, March.
  16. Rafael Domenech & Javier Andres & Javier Ferri, 2006. "Price Rigidity and the Volatility of Vacancies and Unemployment," Working Papers 0601, International Economics Institute, University of Valencia.
  17. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  18. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November.
  19. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
  20. Barro, Robert J, 1988. "The Persistence of Unemployment," American Economic Review, American Economic Association, vol. 78(2), pages 32-37, May.
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