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Currency Crises and Monetary Policy in an Economy with Credit Constraints: The No Interest Parity Case

Author

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  • U. Michael Bergman

    (Department of Economics, University of Copenhagen)

  • Shakill Hassan

    (School of Economics, University of Cape Town)

Abstract

This paper revisits the currency crises model of Aghion, Bacchetta and Banerjee (2000, 2001, 2004), who show that if there exist nominal price rigidities and private sector credit constraints, and the credit multiplier depends on real interest rates, then the optimal monetary policy response to the threat of a currency crisis is restrictive. We demonstrate that this result is primarily due to the uncovered interest parity assumption. Assuming that the exchange rate is a martingale restores the case for expansionary reaction - even with foreign-currency debt in firms' balance sheets. The effect of lower interest rates on output can help restore the value of the currency due to increased money demand.

Suggested Citation

  • U. Michael Bergman & Shakill Hassan, 2008. "Currency Crises and Monetary Policy in an Economy with Credit Constraints: The No Interest Parity Case," EPRU Working Paper Series 08-01, Economic Policy Research Unit (EPRU), University of Copenhagen. Department of Economics.
  • Handle: RePEc:kud:epruwp:08-01
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    File URL: http://www.econ.ku.dk/eprn_epru/Workings_Papers/wp-08-01.pdf
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    References listed on IDEAS

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    1. Obstfeld, Maurice & Rogoff, Kenneth, 1995. "Exchange Rate Dynamics Redux," Journal of Political Economy, University of Chicago Press, vol. 103(3), pages 624-660, June.
    2. Aghion, Philippe & Bacchetta, Philippe & Banerjee, Abhijit, 2004. "A corporate balance-sheet approach to currency crises," Journal of Economic Theory, Elsevier, vol. 119(1), pages 6-30, November.
    3. Vincent Bouvatier, 2004. "Crise de change et politique monétaire optimale dans un modèle de troisième génération : le rôle de la prime de risque," Cahiers de la Maison des Sciences Economiques bla04089, Université Panthéon-Sorbonne (Paris 1).
    4. Bensaid, Bernard & Jeanne, Olivier, 1997. "The instability of fixed exchange rate systems when raising the nominal interest rate is costly," European Economic Review, Elsevier, vol. 41(8), pages 1461-1478, August.
    5. García-Fronti, Javier & Miller, Marcus & Zhang, Lei, 2006. "Supply shocks and currency crises : the policy dilemma reconsidered," The Warwick Economics Research Paper Series (TWERPS) 760, University of Warwick, Department of Economics.
    6. Blackburn, Keith & Sola, Martin, 1993. " Speculative Currency Attacks and Balance of Payments Crises," Journal of Economic Surveys, Wiley Blackwell, vol. 7(2), pages 119-144, June.
    7. Ortiz, Alberto & Pablo, Ottonello & Sturzenegger, Federico & Talvi, Ernesto, 2007. "Monetary and Fiscal Policies in a Sudden Stop: Is Tighter Brighter?," Working Paper Series rwp07-057, Harvard University, John F. Kennedy School of Government.
    8. Goderis, Benedikt & Ioannidou, Vasso P., 2008. "Do high interest rates defend currencies during speculative attacks New evidence," Journal of International Economics, Elsevier, vol. 74(1), pages 158-169, January.
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    Citations

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    Cited by:

    1. Shakill Hassan & Sean Smith, 2011. "The Rand as a Carry Trade Target: Risk, Returns and Policy Implications," Working Papers 235, Economic Research Southern Africa.
    2. Bergman, U. Michael & Jellingsø, Mads, 2010. "Monetary policy during speculative attacks: Are there adverse medium term effects?," The North American Journal of Economics and Finance, Elsevier, vol. 21(1), pages 5-18, March.
    3. Marcelin, Isaac & Mathur, Ike, 2016. "Financial sector development and dollarization in emerging economies," International Review of Financial Analysis, Elsevier, vol. 46(C), pages 20-32.

    More about this item

    Keywords

    currency crises; foreign–currency debt; balance sheets; interest parity; monetary policy;

    JEL classification:

    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • F30 - International Economics - - International Finance - - - General
    • O11 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Macroeconomic Analyses of Economic Development

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