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A "Simple" Currency Union Model with Labor Market Frictions, Real Wage Rigidities and Equilibrium Unemployment

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Abstract

This paper derives a DSGE currency union model with labor market frictions, real wage rigidities and price staggering. The model combines many realistic features, but it is still tractable: like standard open-economy models, it can be closed in six equations. We derive and discuss the constrained efficient allocation and the decentralised equilibrium, under both flexible and sticky prices. We use the model to analyse how different labor market institutions or degrees of real wage rigidities influence the functioning of the currency union and the size and persistence of inflation and output differentials. We show that the presence of non trivial real imperfections affects substantially the transmission mechanism of shocks in general and, in particular, of monetary policy. Interestingly, we find that the implications of real wage rigidities and labor market frictions for business cycle fluctuations are likely to operate in opposite directions: a high degree of real wage rigidities tends to amplify the response of the real economy to shocks; when labor market are more sclerotic, instead, unemployment volatility tends to decrease while inflation volatility increases.

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Bibliographic Info

Paper provided by Economics Section, The Graduate Institute of International Studies in its series IHEID Working Papers with number 09-2007.

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Length: 47
Date of creation: Jan 2007
Date of revision:
Handle: RePEc:gii:giihei:heiwp09-2007

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Keywords: Currency Union; labor market frictions; real wage rigidities; unemployment; sticky prices; inflation and output differentials;

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References

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  1. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
  2. Olivier Blanchard & Jordi Gali, 2007. "A New Keynesian Model with Unemployment," Kiel Working Papers 1335, Kiel Institute for the World Economy.
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  6. Thomas Lubik & Michael Krause, 2003. "The (Ir)relevance of Real Wage Rigidity in the New Keynesian Model with Search Frictions," Economics Working Paper Archive 504, The Johns Hopkins University,Department of Economics.
  7. Antonella Trigari, 2009. "Equilibrium Unemployment, Job Flows, and Inflation Dynamics," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(1), pages 1-33, 02.
  8. Galí, Jordi & Monacelli, Tommaso, 2005. "Optimal Monetary and Fiscal Policy in a Currency Union," CEPR Discussion Papers 5374, C.E.P.R. Discussion Papers.
  9. Olivier J. Blanchard & Jordi Galí, 2005. "Real wage rigidities and the New Keynesian model," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
  10. Mirko ABBRITTI & Andrea BOITANI & Mirella DAMIANI, 2006. "Unemployment, inflation and monetary policy in a dynamic New Keynesian model with hiring costs," Quaderni del Dipartimento di Economia, Finanza e Statistica 22/2006, Università di Perugia, Dipartimento Economia, Finanza e Statistica.
  11. Mortensen, Dale T & Pissarides, Christopher A, 1994. "Job Creation and Job Destruction in the Theory of Unemployment," Review of Economic Studies, Wiley Blackwell, vol. 61(3), pages 397-415, July.
  12. Campolmi, Alessia & Faia, Ester, 2006. "Cyclical inflation divergence and different labor market institutions in the EMU," Working Paper Series 0619, European Central Bank.
  13. Alexopoulos, Michelle, 2004. "Unemployment and the business cycle," Journal of Monetary Economics, Elsevier, vol. 51(2), pages 277-298, March.
  14. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
  15. Howitt, Peter, 1988. "Business Cycles with Costly Search and Recruiting," The Quarterly Journal of Economics, MIT Press, vol. 103(1), pages 147-65, February.
  16. Antonella Trigari, 2004. "Labour Market Search, Wage Bargaining and Inflation Dynamics," Working Papers 268, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  17. Altissimo, Filippo & Benigno, Pierpaolo & Rodriguez Palenzuela, Diego, 2005. "Long-Run Determinants of Inflation Differentials in a Monetary Union," CEPR Discussion Papers 5149, C.E.P.R. Discussion Papers.
  18. Sebastian Weber, 2006. "Labor Market Structures, Trade and their Effect on Unemployment: A Theoretical Analysis and Empirical Investigation," IHEID Working Papers 22-2006, Economics Section, The Graduate Institute of International Studies.
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Cited by:
  1. Mirko Abbritti; Sebastian Weber, 2008. "Labor Market Rigidities and the Business Cycle: Price vs. Quantity Restricting Institutions," IHEID Working Papers 01-2008, Economics Section, The Graduate Institute of International Studies, revised Jan 2008.
  2. Carla Soares, 2008. "Impact on Welfare of Country Heterogeneity in a Currency Union," Working Papers w200814, Banco de Portugal, Economics and Research Department.

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