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Openness and Equilibrium Determinacy under Interest Rate Rules

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  • Fiorella De Fiore
  • Zheng Liu

Abstract

This paper shows that the conditions under which inflation-targeting interest rate rules lead to equilibrium uniqueness in a small open economy in general differ from those in a closed economy. As the monetary authority adjusts nominal interest rates in response to inflation, the real interest rate changes. The overall effect of this change on aggregate demand has important implications for equilibrium determinacy. In an open economy, an increase in the real interest rate is transmitted to aggregate demand through an intertemporal substitution effect, as in a closed economy, but also through a terms of trade effect that is absent in the closed economy. These effects move aggregate demand in opposite directions. We find that, in a broad class of models, the conditions for local equilibrium uniqueness depend crucially on the degree of openness to international trade. Openness matters not only quantitatively, but also qualitatively.

Suggested Citation

  • Fiorella De Fiore & Zheng Liu, 2003. "Openness and Equilibrium Determinacy under Interest Rate Rules," Emory Economics 0310, Department of Economics, Emory University (Atlanta).
  • Handle: RePEc:emo:wp2003:0310
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    Citations

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    Cited by:

    1. Nicoletta Batini & Paul Levine & Joseph Pearlman, 2003. "Indeterminacy with inflation-forecast-cased rules in a two-bloc model," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
    2. Carlstrom, Charles T. & Fuerst, Timothy S. & Ghironi, Fabio, 2006. "Does it matter (for equilibrium determinacy) what price index the central bank targets?," Journal of Economic Theory, Elsevier, vol. 128(1), pages 214-231, May.
    3. Paul Levine & Peter McAdam & Joseph Pearlman, 2007. "Inflation-Forecast-Based Rules and Indeterminacy: A Puzzle and a Resolution," International Journal of Central Banking, International Journal of Central Banking, vol. 3(4), pages 77-110, December.
    4. Ferro, Gustavo, 2007. "Metas de inflación ¿qué hay de nuevo bajo el sol?
      [Inflation Targeting. What's new under the sun?]
      ," MPRA Paper 15069, University Library of Munich, Germany, revised 11 Mar 2008.
    5. Chen, Shu-hua & Shaw, Ming-fu & Lai, Ching-chong & Chang, Juin-jen, 2008. "Interest-rate rules and transitional dynamics in an endogenously growing open economy," Journal of International Money and Finance, Elsevier, vol. 27(1), pages 54-75, February.
    6. Detken, Carsten & Gaspar, Ví­tor, 2003. "Maintaining price stability under free-floating: a fearless way out of the corner?," Working Paper Series 241, European Central Bank.
    7. Paul Levine & Joseph Pearlman & Peter Welz, 2008. "Robust Inflation-Targeting Rules and the Gains from International Policy Coordination," School of Economics Discussion Papers 0208, School of Economics, University of Surrey.
    8. Philip Arestis & Luiz Fernando de Paula & Fernando Ferrari-Filho, 2006. "Inflation Targeting In Emerging Countries: The Case Of Brazil," Anais do XXXIV Encontro Nacional de Economia [Proceedings of the 34th Brazilian Economics Meeting] 42, ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics].
    9. Tatiana Kirsanova & Campbell Leith & Simon Wren-Lewis, 2006. "Should Central Banks Target Consumer Prices or the Exchange Rate?," Economic Journal, Royal Economic Society, vol. 116(512), pages 208-231, June.
    10. Fujiwara, Ippei & Wang, Jiao, 2017. "Optimal monetary policy in open economies revisited," Journal of International Economics, Elsevier, vol. 108(C), pages 300-314.
    11. 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.
    12. Siok Kun, Sek, 2009. "The impacts of economic structures on the performance of simple policy rules in a small open economy," MPRA Paper 25065, University Library of Munich, Germany.

    More about this item

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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