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Caution or Activism? Monetary Policy Strategies in an Open Economy

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  • Martin Ellison

    (University of Warwick and CEPR)

  • Lucio Sarno

    (Universty of Warwick and CEPR)

  • Jouko Vilmunen

    (Bank of Finland)

Abstract

We examine optimal policy in an open-economy model with uncertainty and learning, where monetary policy actions affect the economy through the real exchange rate channel. Our results show that the degree of caution or activism in optimal policy depends on whether central banks are in coordinated or uncoordinated equilibrium. If central banks coordinate their policy actions then activism is optimal. In contrast, if there is no coordination then caution prevails. In the latter case caution is optimal because it helps central banks to avoid exposing themselves to manipulative actions by other central banks

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Bibliographic Info

Paper provided by Society for Computational Economics in its series Computing in Economics and Finance 2006 with number 214.

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Date of creation: 04 Jul 2006
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Handle: RePEc:sce:scecfa:214

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Keywords: open economy; learning; monetary policy;

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  1. Kiefer, Nicholas M & Nyarko, Yaw, 1989. "Optimal Control of an Unknown Linear Process with Learning," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 30(3), pages 571-86, August.
  2. Basar, Tamer & Salmon, Mark, 1987. "Credibility and the Value of Information Transmission in a Model of Monetary Policy and Inflation," The Warwick Economics Research Paper Series (TWERPS) 289, University of Warwick, Department of Economics.
  3. Wieland, Volker, 2000. "Monetary policy, parameter uncertainty and optimal learning," Journal of Monetary Economics, Elsevier, vol. 46(1), pages 199-228, August.
  4. Ghosh, Atish R & Masson, Paul R, 1991. "Model Uncertainty, Learning, and the Gains from Coordination," American Economic Review, American Economic Association, vol. 81(3), pages 465-79, June.
  5. Svensson, Lars E O, 1999. "Price-Level Targeting versus Inflation Targeting: A Free Lunch?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 31(3), pages 277-95, August.
  6. Balvers, Ronald J & Cosimano, Thomas F, 1994. "Inflation Variability and Gradualist Monetary Policy," Review of Economic Studies, Wiley Blackwell, vol. 61(4), pages 721-38, October.
  7. Wieland, Volker, 2000. "Learning by doing and the value of optimal experimentation," Journal of Economic Dynamics and Control, Elsevier, vol. 24(4), pages 501-534, April.
  8. Bertocchi, Graziella & Spagat, Michael, 1993. "Learning, experimentation, and monetary policy," Journal of Monetary Economics, Elsevier, vol. 32(1), pages 169-183, August.
  9. Frankel, Jeffrey A & Rockett, Katharine E, 1988. "International Macroeconomic Policy Coordination When Policymakers Do Not Agree on the True Model," American Economic Review, American Economic Association, vol. 78(3), pages 318-40, June.
  10. Ellison, Martin & Vilmunen, Jouko, 2005. "A simple approach to identifying the incentives for policy experimentation," Economics Letters, Elsevier, vol. 86(2), pages 167-172, February.
  11. Alan S. Blinder, 1999. "Central Banking in Theory and Practice," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262522608, December.
  12. Carl E. Walsh, 2003. "Monetary Theory and Policy, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262232316, December.
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Cited by:
  1. James Bullard & Eric Schaling, 2009. "Monetary Policy, Determinacy, and Learnability in a Two-Block World Economy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(8), pages 1585-1612, December.
  2. Eric Schaling & James Bullard, 2005. "Monetary Policy, Determinacy, and Learnability in the Open Economy," Computing in Economics and Finance 2005 362, Society for Computational Economics.
  3. Philip Arestis & Alexander Mihailov, 2008. "Classifying Monetary Economics: Fields and Methods from Past to Future," Economics & Management Discussion Papers em-dp2008-64, Henley Business School, Reading University.
  4. Bigio, Saki, 2010. "Learning under fear of floating," Journal of Economic Dynamics and Control, Elsevier, vol. 34(10), pages 1923-1950, October.

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