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Which inflation to target? A small open economy with sticky wages indexed to past inflation

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Author Info
Alessia Campolmi

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Abstract

In a closed economy context there is common agreement on price inflation stabilization being one of the objects of monetary policy. Moving to an open economy context gives rise to the coexistence of two measures of inflation: domestic inflation (DI) and consumer price inflation (CPI). Which one of the two measures should be the target variable? This is the question addressed in this paper. In particular, I use a small open economy model to show that once sticky wages indexed to past CPI inflation are introduced, a complete inward looking monetary policy is no more optimal. I first, derive a loss function from a second order approximation of the utility function and then, I compute the fully optimal monetary policy under commitment. Then, I use the optimal monetary policy as a benchmark to compare the performance of different monetary policy rules. The main result is that once a positive degree of indexation is introduced in the model the rule performing better (among the Taylor type rules considered) is the one targeting wage inflation and CPI inflation. Moreover this rule delivers results very close to the one obtained under the fully optimal monetary policy with commitment.

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Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 961.

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Date of creation: Mar 2006
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Handle: RePEc:upf:upfgen:961

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Related research
Keywords: Inflation; open economy; sticky wages; indexation;

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Find related papers by JEL classification:
E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian
E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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References listed on IDEAS
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  1. Svensson, Lars E. O., 2000. "Open-economy inflation targeting," Journal of International Economics, Elsevier, vol. 50(1), pages 155-183, February. [Downloadable!] (restricted)
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  2. Giancarlo Corsetti & Paolo Pesenti, 2001. "Welfare And Macroeconomic Interdependence," The Quarterly Journal of Economics, MIT Press, vol. 116(2), pages 421-445, May. [Downloadable!] (restricted)
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  3. Michael Woodford, 2001. "Inflation Stabilization and Welfare," NBER Working Papers 8071, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  4. 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. [Downloadable!]
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  5. Ben S. Bernanke & Frederic S. Mishkin, 1997. "Inflation Targeting: A New Framework for Monetary Policy?," NBER Working Papers 5893, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  6. Uhlig, H., 1995. "A toolkit for analyzing nonlinear dynamic stochastic models easily," Discussion Paper 97, Tilburg University, Center for Economic Research. [Downloadable!]
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  7. Marc P. Giannoni & Michael Woodford, 2003. "Optimal Interest-Rate Rules: II. Applications," Levine's Bibliography 506439000000000394, UCLA Department of Economics. [Downloadable!]
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  8. Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December. [Downloadable!] (restricted)
  9. Erceg, Christopher J. & Henderson, Dale W. & Levin, Andrew T., 2000. "Optimal monetary policy with staggered wage and price contracts," Journal of Monetary Economics, Elsevier, vol. 46(2), pages 281-313, October. [Downloadable!] (restricted)
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  10. Frank Smets & Raf Wouters, 2003. "An Estimated Dynamic Stochastic General Equilibrium Model of the Euro Area," Journal of the European Economic Association, MIT Press, vol. 1(5), pages 1123-1175, 09. [Downloadable!] (restricted)
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  11. Galí, Jordi, 2002. "New Perspectives on Monetary Policy, Inflation and the Business Cycle," CEPR Discussion Papers 3210, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  12. Jordi Galí & Tommaso Monacelli, 2005. "Monetary Policy and Exchange Rate Volatility in a Small Open Economy," Review of Economic Studies, Blackwell Publishing, vol. 72(3), pages 707-734, 07. [Downloadable!] (restricted)
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  13. Lawrence J. Christiano & Martin Eichenbaum & Charles Evans, 2001. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," NBER Working Papers 8403, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Abo-Zaid, Salem, 2009. "Sticky Wages, Incomplete Pass-Through and Inflation Targeting: What is the Right Index to Target?," MPRA Paper 13177, University Library of Munich, Germany. [Downloadable!]
  2. Yu-chin Chen & Pisut Kulthanavit, 2008. "Monetary Policy Design under Imperfect Knowledge: An Open Economy Analysis," Working Papers UWEC-2008-14, University of Washington, Department of Economics. [Downloadable!]
  3. Duval, Romain & Vogel, Lukas, 2007. "How do nominal and real rigidities interact? A tale of the second best," MPRA Paper 7282, University Library of Munich, Germany. [Downloadable!]
  4. Salem M. Abo-Zaid, 2009. "Sticky Wages, Incomplete Pass-Through and Inflation Targeting: What is the Right Index to Target?," EERI Research Paper Series EERI_RP_2009_23, Economics and Econometrics Research Institute (EERI). [Downloadable!]
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