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Exchange Rate Bands and Realignments in a Stationary Stochastic Setting


  • Miller, Marcus
  • Weller, Paul


The extent which exchange rate management can coexist with an independent monetary policy is examined in the context of a model with exchange rate bands. Using a Dornbusch model in which stochastic shocks are added to the Phillips curve, we analyze the implications of assuming that the monetary authorities follow certain simple rules for realigning the band when fundamentals have drifted too far from equilibrium. Assuming that information about whether the bands is to be defended or there is to be a realignment is revealed at the point when the exchange rate hits the edge of the band, we show how the path of the exchange rate can be completely characterized in terms of the solution to a second order nonlinear differential equation - together with jumps in the rate at the edge of the band, which satisfy a zero profit arbitrage condit.

Suggested Citation

  • Miller, Marcus & Weller, Paul, 1989. "Exchange Rate Bands and Realignments in a Stationary Stochastic Setting," CEPR Discussion Papers 299, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:299

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    References listed on IDEAS

    1. Backus, David & Driffill, John, 1985. "Inflation and Reputation," American Economic Review, American Economic Association, vol. 75(3), pages 530-538, June.
    2. J. Bradford De Long & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1987. "The Economic Consequences of Noise Traders," NBER Working Papers 2395, National Bureau of Economic Research, Inc.
    3. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
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    Cited by:

    1. Svensson, Lars E. O., 1991. "Target zones and interest rate variability," Journal of International Economics, Elsevier, vol. 31(1-2), pages 27-54, August.
    2. Pesaran, M. Hashem & Samiei, Hossein, 1995. "Limited-dependent rational expectations models with future expectations," Journal of Economic Dynamics and Control, Elsevier, vol. 19(8), pages 1325-1353, November.
    3. Svensson, Lars E. O., 1992. "The foreign exchange risk premium in a target zone with devaluation risk," Journal of International Economics, Elsevier, vol. 33(1-2), pages 21-40, August.
    4. Giuseppe Bertola & Lars E. O. Svensson, 1993. "Stochastic Devaluation Risk and the Empirical Fit of Target-Zone Models," Review of Economic Studies, Oxford University Press, vol. 60(3), pages 689-712.
    5. Dominquez, Kathryn M. & Kenen, Peter B., 1992. "Intramarginal intervention in the EMS and the target-zone model of exchange-rate behavior," European Economic Review, Elsevier, vol. 36(8), pages 1523-1532, December.
    6. Araújo, Aloísio Pessoa de & Feijó Filho, Cypriano Lopes, 1994. "Bandas de cambio : teoria, evidencia empirica e sua possivel aplicação no Brasil," FGV/EPGE Economics Working Papers (Ensaios Economicos da EPGE) 234, FGV/EPGE - Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil).
    7. A.J. Hallet, 1998. "When Do Target Zones Work? An Examination of Exchange Rate Targeting as a Device for Coordinating Economic Policies," Open Economies Review, Springer, vol. 9(2), pages 115-138, April.
    8. Dean Corbae & Christopher J. Neely & Paul A. Weller, 1998. "Endogenous realignments and the sustainability of a target," Working Papers 1994-009, Federal Reserve Bank of St. Louis.
    9. Michael Hu & Christine Jiang & Christos Tsoukalas, 2004. "The volatility impact of the European monetary system on member and non-member currencies," Applied Financial Economics, Taylor & Francis Journals, vol. 14(5), pages 313-325.
    10. M. Hashem Pesaran & Francisco J. Ruge-Murcia, 1996. "Limited-dependent rational expectations models with jumps," Discussion Paper / Institute for Empirical Macroeconomics 111, Federal Reserve Bank of Minneapolis.


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