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A Drift of the "Drift Adjustment Method"

  • Mundaca, Gabriela

    ()

    (Dept. of Economics, University of Oslo)

This paper shows why regressing the realised rates of depreciation within the exchange rate band on a given information set and conditional on (ex-post) actual no-realignment (à la drift adjustment) still encounters a "Peso Problem". Such a procedure generally gives inconsistent estimates. The main reason is that the frequency of realignments in the data need no coincide with the frequency of the subjective (even small) probabilities that a realignment may take place. These probabilities cause jumps in the exchange rate even when it is conditional on actual no-realignment. When using an alternative approach that takes care of the peso problem and provides consistent estimates of the expected rate of realignment, we find that our estimates of the expected realignment (devaluation) rates are always greater than the ones obtained using the drift adjustment method.

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File URL: http://www.sv.uio.no/econ/english/research/unpublished-works/working-papers/pdf-files/2002/Memo-16-2002.pdf
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Paper provided by Oslo University, Department of Economics in its series Memorandum with number 16/2002.

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Length: 35 pages
Date of creation: 17 Jun 2003
Date of revision:
Publication status: Published in Economica, 2004, pages 13-37.
Handle: RePEc:hhs:osloec:2002_016
Contact details of provider: Postal:
Department of Economics, University of Oslo, P.O Box 1095 Blindern, N-0317 Oslo, Norway

Phone: 22 85 51 27
Fax: 22 85 50 35
Web page: http://www.oekonomi.uio.no/indexe.html
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  1. Rose, Andrew K & Svensson, Lars E O, 1993. "European Exchange Rate Credibility Before the Fall," CEPR Discussion Papers 852, C.E.P.R. Discussion Papers.
  2. Lars E.O. Svensson, 1992. "Why Exchange Rate Bands? Monetary Independence in Spite of Fixed Exchange Rates," NBER Working Papers 4207, National Bureau of Economic Research, Inc.
  3. Bernard Dumas & L. Peter Jennergren & Bertil Naslund, 1993. "Realignment Risk and Currency Option Pricing in Target Zones," NBER Working Papers 4458, National Bureau of Economic Research, Inc.
  4. Maurice Obstfeld, 1994. "The Logic of Currency Crises," NBER Working Papers 4640, National Bureau of Economic Research, Inc.
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  9. Svensson, Lars E O, 1991. "The Term Structure of Interest Rate Differentials in a Target Zone: Theory and Swedish Data," CEPR Discussion Papers 495, C.E.P.R. Discussion Papers.
  10. Bernard Dumas & L. Peter Jennergren & Bertil Naslund, 1993. "Currency Option Pricing in Credible Target Zones," NBER Working Papers 4522, National Bureau of Economic Research, Inc.
  11. Girardin, Eric & Marimoutou, Velayoudom, 1997. "Estimating the credibility of an exchange rate target zone," Journal of International Money and Finance, Elsevier, vol. 16(6), pages 931-944, December.
  12. Campa, Jose Manuel & Chang, P H Kevin, 1996. "Arbitrage-Based Tests of Target-Zone Credibility: Evidence from ERM Cross-Rate Options," American Economic Review, American Economic Association, vol. 86(4), pages 726-40, September.
  13. Bekaert, Geert & Hodrick, Robert J., 1993. "On biases in the measurement of foreign exchange risk premiums," Journal of International Money and Finance, Elsevier, vol. 12(2), pages 115-138, April.
  14. Campa, Jose M & Chang, P H Kevin, 1998. "ERM Realignment Risk and Its Economic Determinants as Reflected in Cross-Rate Options," Economic Journal, Royal Economic Society, vol. 108(449), pages 1046-66, July.
  15. Robert P. Flood & Nancy P. Marion, 1996. "Speculative Attacks: Fundamentals and Self-Fulfilling Prophecies," NBER Working Papers 5789, National Bureau of Economic Research, Inc.
  16. Kaminsky, Graciela, 1993. "Is There a Peso Problem? Evidence from the Dollar/Pound Exchange Rate, 1976-1987," American Economic Review, American Economic Association, vol. 83(3), pages 450-72, June.
  17. Francis X. Diebold & Joon-Haeng Lee & Gretchen C. Weinbach, 1993. "Regime switching with time-varying transition probabilities," Working Papers 93-12, Federal Reserve Bank of Philadelphia.
  18. Edin, Per-Anders & Vredin, Anders, 1993. "Devaluation Risk in Target Zones: Evidence from the Nordic Countries," Economic Journal, Royal Economic Society, vol. 103(416), pages 161-75, January.
  19. Hamilton, James D, 1989. "A New Approach to the Economic Analysis of Nonstationary Time Series and the Business Cycle," Econometrica, Econometric Society, vol. 57(2), pages 357-84, March.
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  21. Zhaohui Chen & Alberto Giovannini, 1992. "Estimating Expected Exchange Rates Under Target Zones," NBER Working Papers 3955, National Bureau of Economic Research, Inc.
  22. Bertola, Giuseppe & Caballero, Ricardo, 1990. "Target Zones and Realignments," CEPR Discussion Papers 398, C.E.P.R. Discussion Papers.
  23. Obstfeld, Maurice, 1996. "Models of Currency Crises with Self-fulfilling Features," CEPR Discussion Papers 1315, C.E.P.R. Discussion Papers.
  24. Paul Hallwood, C. & MacDonald, Ronald & Marsh, Ian W., 2000. "Realignment expectations and the US dollar, 1890-1897: Was there a 'Peso problem'?," Journal of Monetary Economics, Elsevier, vol. 46(3), pages 605-620, December.
  25. Zhaohui Chen & Alberto Giovannini, 1993. "The Determinants of Realignment Expectations Under the EMS: Some Empirical Regularities," NBER Working Papers 4291, National Bureau of Economic Research, Inc.
  26. Gabriela Mundaca, B., 2000. "The effect of interventions on realignment probabilities," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 10(3-4), pages 323-347, December.
  27. Malz, Allan M., 1996. "Using option prices to estimate realignment probabilities in the European Monetary System: the case of sterling-mark," Journal of International Money and Finance, Elsevier, vol. 15(5), pages 717-748, October.
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