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Mixed Signals in Defending the Exchange Rate: What do the Data Say?

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  • Drazen, Allan
  • Hubrich, Stefan

Abstract

High interest rates to defend the exchange rate signal that a government is committed to fixed exchange rates, but may also signal weak fundamentals. We test the effectiveness of the interest rate defense by disaggregating into the effects on future interest rates differentials, expectations of future exchange rates, and risk premia. While much previous empirical work has been inconclusive due to offsetting effects, tests that ‘disaggregate’ the effects provide significant information. Raising overnight interest rates strengthens the exchange rate over the short-term, but also leads to an expected depreciation at a horizon of a year and longer and an increase in the risk premium, consistent with the argument that it also signals weak fundamentals.

Suggested Citation

  • Drazen, Allan & Hubrich, Stefan, 2003. "Mixed Signals in Defending the Exchange Rate: What do the Data Say?," CEPR Discussion Papers 4050, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:4050
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    References listed on IDEAS

    as
    1. Robert Dekle & Cheng Hsiao & Siyan Wang, 1999. "Interest rate stabilization of exchange rates and contagion in the Asian crisis countries," Proceedings, Federal Reserve Bank of San Francisco, issue Sep.
    2. Ilan Goldfajn & Poonam Gupta, 2003. "Does Monetary Policy Stabilize the Exchange Rate Following a Currency Crisis?," IMF Staff Papers, Palgrave Macmillan, vol. 50(1), pages 1-5.
    3. Allan Drazen & Paul R. Masson, 1994. "Credibility of Policies Versus Credibility of Policymakers," The Quarterly Journal of Economics, Oxford University Press, vol. 109(3), pages 735-754.
    4. Drazen, Allan, 2000. "Interest-rate and borrowing defense against speculative attack," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 53(1), pages 303-348, December.
    5. Kraay, Aart, 2003. "Do high interest rates defend currencies during speculative attacks?," Journal of International Economics, Elsevier, vol. 59(2), pages 297-321, March.
    6. Flood, Robert P. & Jeanne, Olivier, 2005. "An interest rate defense of a fixed exchange rate?," Journal of International Economics, Elsevier, vol. 66(2), pages 471-484, July.
    7. Jason Furman & Joseph E. Stiglitz, 1998. "Economic Crises: Evidence and Insights from East Asia," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 29(2), pages 1-136.
    8. Steven Radelet & Jeffrey D. Sachs, 1998. "The East Asian Financial Crisis: Diagnosis, Remedies, Prospects," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 29(1), pages 1-90.
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    Citations

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    Cited by:

    1. Ramkishen S. Rajan & Makarand Parulkar, 2008. "Real Sector Shocks and Monetary Policy Responses in a Financially Vulnerable Emerging Economy," Emerging Markets Finance and Trade, M.E. Sharpe, Inc., vol. 44(3), pages 21-33, May.
    2. Ramkishen S. Rajan, 2007. "Managing new-style currency crises: the swan diagram approach revisited," Journal of International Development, John Wiley & Sons, Ltd., vol. 19(5), pages 583-606.
    3. Gottlieb, Daniel & Moreira, Humberto Ataíde & Araújo, Aloísio Pessoa de, 2004. "A model of mixed signals with applications to countersignaling an the GED," FGV/EPGE Economics Working Papers (Ensaios Economicos da EPGE) 553, FGV/EPGE - Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil).
    4. Tullio Gregori, 2009. "Currency crisis duration and interest defence," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 14(3), pages 256-267.
    5. Ramkishen S. Rajan & Makarand Parulkar, 2006. "Real Sector Shocks and Monetary Policy Responses in a in a financially vulnerable Emerging Economy," Working Papers id:354, eSocialSciences.
    6. Nelson C. Mark & Young-Kyu Moh, 2005. "The real exchange rate and real interest differentials: the role of nonlinearities," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 10(4), pages 323-335.

    More about this item

    Keywords

    currency crises; interest rate defense; signalling; speculative attacks;

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions

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