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Central Bank Intervention and Exchange Rate Expectations: Evidence from the Daily DM/US-Dollar Exchange Rate

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  • Reitz, Stefan

Abstract

In this paper we propose a generalisation of the noise trader transmission mechanism to examine the impact of central bank intervention on exchange rates. Within a heterogeneous expectations exchange rate model intervention operations are supposed to provide support to either chartist or fundamentalist forecasts, which forces portfolio managers to adjust their foreign currency positions. The empirical examination of the hypothesis is done by applying a markov regime-switching approach to daily US-dollar/DEM forward rates and intervention data of the Deutsche Bundesbank and the Federal Reserve from 1979 to 1992. It is shown that the performance of simple chartist trading rules was strong whenever these central banks intervened on the foreign exchange market. A similar coincidence cannot be found within the more sophisticated fundamentalist approach. -- Die vorliegende Arbeit schlägt eine Verallgemeinerung des Noise-Trader-Transmissionsmechanismus vor. Damit sollen die Auswirkungen von Zentralbankinterventionen auf die Wechselkurse untersucht werden. Im Rahmen eines Wechselkursmodells mit heterogenen Erwartungen dürften Interventionen Prognosen stützen, die entweder auf der Chartanalyse oder der Analyse der Fundamentaldaten beruhen. Dies zwingt Portfoliomanager, ihre Fremdwährungspositionen anzupassen. Die empirische Untersuchung der Hypothese erfolgt durch Anwendung eines Markov-Switching-Ansatzes auf die täglichen USDollar/ DEM-Terminkurse und Interventionsdaten der Deutschen Bundesbank und der Federal Reserve von 1979 bis 1992. Es zeigt sich, dass sich einfache auf der Chartanalyse beruhende Regeln dann bewährt haben, wenn diese Zentralbanken am Devisenmarkt intervenierten. Ein ähnlicher Zusammenhang kann bei einem Ansatz, der sich auf Fundamentalüberlegungen stützt, nicht nachgewiesen werden.

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Bibliographic Info

Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Paper Series 1: Economic Studies with number 2002,17.

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Date of creation: 2002
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Handle: RePEc:zbw:bubdp1:4182

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Keywords: Wechselkurse; Intervention; Regime-Switching; exchange rates; intervention; regime-switching;

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References

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  1. Charles Engel, 1994. "Can the Markov Switching Model Forecast Exchange Rates?," NBER Working Papers 4210, National Bureau of Economic Research, Inc.
  2. Baillie, Richard T. & Osterberg, William P., 1997. "Why do central banks intervene?," Journal of International Money and Finance, Elsevier, vol. 16(6), pages 909-919, December.
  3. Taylor, Mark P & Peel, David A & Sarno, Lucio, 2001. "Nonlinear Mean-Reversion in Real Exchange Rates: Toward a Solution to the Purchasing Power Parity Puzzles," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 42(4), pages 1015-42, November.
  4. Baillie, Richard T. & P. Osterberg, William, 1997. "Central bank intervention and risk in the forward market," Journal of International Economics, Elsevier, vol. 43(3-4), pages 483-497, November.
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  9. Kilian, Lutz & Taylor, Mark P, 2001. "Why is it so Difficult to Beat the Random Walk Forecast of Exchange Rates?," CEPR Discussion Papers 3024, C.E.P.R. Discussion Papers.
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  12. Richard Clarida & Lucio Sarno & Mark Taylor & Giorgio Valente, 2001. "The Out-of-Sample Success of Term Structure Models as Exchange Rate Predictors: A Step Beyond," NBER Working Papers 8601, National Bureau of Economic Research, Inc.
  13. Dewachter, Hans, 2001. "Can Markov switching models replicate chartist profits in the foreign exchange market?," Journal of International Money and Finance, Elsevier, vol. 20(1), pages 25-41, February.
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  16. Vigfusson, Robert, 1997. "Switching between Chartists and Fundamentalists: A Markov Regime-Switching Approach," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 2(4), pages 291-305, October.
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  18. Anna J. Schwartz, 2000. "The Rise and Fall of Foreign Exchange Market Intervention," NBER Working Papers 7751, National Bureau of Economic Research, Inc.
  19. Sarno, Lucio & Taylor, Mark P, 2001. "Official Intervention in the Foreign Exchange Market: Is It Effective, and, If So, How Does It Work?," CEPR Discussion Papers 2690, C.E.P.R. Discussion Papers.
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  22. Frankel, Jeffrey A & Froot, Kenneth A, 1986. "Understanding the U.S. Dollar in the Eighties: The Expectations of Chartists and Fundamentalists," The Economic Record, The Economic Society of Australia, vol. 0(0), pages 24-38, Supplemen.
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