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

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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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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  1. Olivier Blanchard & Jordi Galí, 2007. "Real Wage Rigidities and the New Keynesian Model," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(s1), pages 35-65, 02.
  2. Jordi Galí & Tommaso Monacelli, 2005. "Optimal Monetary and Fiscal Policy in a Currency Union," Working Papers 240, Barcelona Graduate School of Economics.
  3. Clarida, R. & Gali, J. & Gertler, M., 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Working Papers 99-13, C.V. Starr Center for Applied Economics, New York University.
  4. 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.
  5. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
  6. Alexopoulos, Michelle, 2004. "Unemployment and the business cycle," Journal of Monetary Economics, Elsevier, vol. 51(2), pages 277-298, March.
  7. Blanchard, Olivier & Galí, Jordi, 2006. "A New Keynesian model with unemployment," CFS Working Paper Series 2007/08, Center for Financial Studies (CFS).
  8. Mortensen, Dale & Pissarides, Christopher, 2011. "Job Creation and Job Destruction in the Theory of Unemployment," Economic Policy, Russian Presidential Academy of National Economy and Public Administration, vol. 1, pages 19 pages.
  9. 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.
  10. Peter Howitt, 1988. "Business Cycles With Costly Search and Recruiting," The Quarterly Journal of Economics, Oxford University Press, vol. 103(1), pages 147-165.
  11. Mirko Abbritti, 2007. "Unemployment, Inflation and Monetary Policy in a Dynamic New Keynesian Model with Hiring Costs," IHEID Working Papers 07-2007, Economics Section, The Graduate Institute of International Studies.
  12. 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.
  13. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-11, July.
  14. Antonella Trigari, 2004. "Labour Market Search, Wage Bargaining and Inflation Dynamics," Working Papers 268, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  15. Olivier Blanchard, 2006. "European unemployment: the evolution of facts and ideas," Economic Policy, CEPR;CES;MSH, vol. 21(45), pages 5-59, 01.
  16. Filippo Altissimo & Pierpaolo Benigno & Diego Rodriguez Palenzuela, 2005. "Long-Run Determinants of Inflation Differentials in a Monetary Union," NBER Working Papers 11473, National Bureau of Economic Research, Inc.
  17. Alan Ahearne & Jean Pisani-Ferry, 2006. "The Euro: only for the agile," Policy Briefs 42, Bruegel.
  18. Campolmi, Alessia & Faia, Ester, 2006. "Cyclical inflation divergence and different labor market institutions in the EMU," Working Paper Series 0619, European Central Bank.
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