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Determinacy and Learnability of Monetary Policy Rules in Small Open Economies

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Author Info
Luis Gonzalo Llosa
Vicente Tuesta

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Abstract

This paper evaluates under which conditions different Taylor-type rules lead to determinacy and expectational stability (E-stability) of rational expectations equilibrium in a simple New Keynesian small open economy model, developed by Gali and Monacelli (2005). In particular, we extend the Bullard and Mitra (2002) results of determinacy and E-stability in a closed economy to this small open economy framework. Our results highlight an important link between the Taylor principle and both determinacy and learnability of equilibrium in small open economies. More importantly, the degree of openness coupled with the nature of the policy rule adopted by the monetary authorities might change this link in important ways. A key finding is that, contrary to Bullard and Mitra, expectations-based rules that involve the CPI and/or the nominal exchange rate limit the region of E-stability and the Taylor Principle does not guarantee E-stability. We also show that some forms of managed exchange rate rules can help to alleviate problems of both indeterminacy and expectational instability, yet these rules might not be desirable since they promote greater volatility in the economy.

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Paper provided by Inter-American Development Bank, Research Department in its series RES Working Papers with number 4479.

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Date of creation: Dec 2006
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Handle: RePEc:idb:wpaper:4479

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This paper has been announced in the following NEP Reports: References listed on IDEAS
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. James Bullard & Kaushik Mitra, 2002. "Learning about monetary policy rules," Working Papers 2000-001, Federal Reserve Bank of St. Louis. [Downloadable!]
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  2. Bernanke, Ben S & Woodford, Michael, 1997. "Inflation Forecasts and Monetary Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 29(4), pages 653-84, November.
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  3. Nicoletta Batini & Paul Levine & Joseph Pearlman, 2004. "Indeterminacy with inflation-forecast-based rules in a two-bloc model," International Finance Discussion Papers 797, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
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  4. Marco Vega & Diego Winkelried, 2005. "Inflation Targeting and Inflation Behavior: A Successful Story?," Macroeconomics 0502026, EconWPA. [Downloadable!]
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  5. Aoki, Kosuke, 2001. "Optimal monetary policy responses to relative-price changes," Journal of Monetary Economics, Elsevier, vol. 48(1), pages 55-80, August. [Downloadable!] (restricted)
  6. James Bullard & Eric Schaling, 2006. "Monetary policy, determinacy, and learnability in the open economy," Working Paper Series 611, European Central Bank. [Downloadable!]
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  7. Guillermo A. Calvo & Carmen M. Reinhart, 2002. "Fear Of Floating," The Quarterly Journal of Economics, MIT Press, vol. 117(2), pages 379-408, May. [Downloadable!] (restricted)
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  8. Cooley, Thomas F & Hansen, Gary D, 1989. "The Inflation Tax in a Real Business Cycle Model," American Economic Review, American Economic Association, vol. 79(4), pages 733-48, September. [Downloadable!] (restricted)
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  9. James B. Bullard & Aarti Singh, 2007. "Worldwide macroeconomic stability and monetary policy rules," Working Papers 2006-040, Federal Reserve Bank of St. Louis. [Downloadable!]
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  10. Chari, V V & Kehoe, Patrick J & McGrattan, Ellen R, 2002. "Can Sticky Price Models Generate Volatile and Persistent Real Exchange Rates?," Review of Economic Studies, Blackwell Publishing, vol. 69(3), pages 533-63, July.
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  11. Bennett T. McCallum, 1983. "On Non-Uniqueness in Rational Expectations Models: An Attempt at Perspective," NBER Working Papers 0684, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  12. Lubik, Thomas A. & Schorfheide, Frank, 2007. "Do central banks respond to exchange rate movements? A structural investigation," Journal of Monetary Economics, Elsevier, vol. 54(4), pages 1069-1087, May. [Downloadable!] (restricted)
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  13. 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)
  14. Andrew G. Haldane & Nicoletta Batini, 1998. "Forward-Looking Rules for Monetary Policy," NBER Working Papers 6543, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  15. Preston, Bruce, 2005. "Learning about Monetary Policy Rules when Long-Horizon Expectations Matter," MPRA Paper 830, University Library of Munich, Germany. [Downloadable!]
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  16. 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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  17. De Fiore, Fiorella & Liu, Zheng, 2005. "Does trade openness matter for aggregate instability?," Journal of Economic Dynamics and Control, Elsevier, vol. 29(7), pages 1165-1192, July. [Downloadable!] (restricted)
  18. Evans, George W. & Honkapohja, Seppo, 1999. "Learning dynamics," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 7, pages 449-542 Elsevier. [Downloadable!] (restricted)
  19. 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. [Downloadable!] (restricted)
  20. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September. [Downloadable!] (restricted)
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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. Stephen McKnight & Alexander Mihailov, 2007. "Re-examining the Importance of Trade Openness for Aggregate Instability," Economics & Management Discussion Papers em-dp2007-52, Henley Business School, Reading University. [Downloadable!]
    Other versions:
  2. Bask, Mikael, 2007. "Instrument rules in monetary policy under heterogeneity in currency trade," Research Discussion Papers 22/2007, Bank of Finland. [Downloadable!]
    Other versions:
  3. Stephen McKnight, 2007. "Investment and Interest Rate Policy in the Open Economy," Economics & Management Discussion Papers em-dp2007-51, Henley Business School, Reading University. [Downloadable!]
    Other versions:
  4. Bask, Mikael, 2007. "Optimal monetary policy under heterogeneity in currency trade," Research Discussion Papers 21/2007, Bank of Finland. [Downloadable!]
  5. Evans , George W & Honkapohja, Seppo, 2007. "Expectations, learning and monetary policy: an overview of recent research," Research Discussion Papers 32/2007, Bank of Finland. [Downloadable!]
    Other versions:
  6. Mikael Bask & Carina Selander, 2009. "Robust Taylor rules under heterogeneity in currency trade," International Economics and Economic Policy, Springer, vol. 6(3), pages 283-313, October. [Downloadable!] (restricted)
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