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Limited Reserves and the Optimal Width of an Exchange Rate Target zone

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  • Simon Broome

    (National University of Ireland, Maynooth)

Abstract

This paper analyses the stabilising properties of an exchange rate target zone when the stock of available reserves is limited. In these circumstances it is reasonable to suppose that the optimal bandwidth is affected by the expected lifetime of the zone. Our analysis uses Sutherland's (1995) target zone model to assess the importance of the expected lifetime in determining the optimal width of the zone. We find that the expected lifetime tends to widen the optimal bandwidth considerably but unless the stock of initial reserves is small and/or the fundamentals drift large, the extra lifetime bought is small in percentage terms.

Suggested Citation

  • Simon Broome, 2003. "Limited Reserves and the Optimal Width of an Exchange Rate Target zone," Economics Department Working Paper Series n1220803, Department of Economics, National University of Ireland - Maynooth.
    • Handle: RePEc:may:mayecw:n1220803
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    References listed on IDEAS

    as
    1. Krugman, Paul & Miller, Marcus, 1993. "Why have a target zone?," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 38(1), pages 279-314, June.
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    3. Dumas, Bernard & Svensson, Lars E. O., 1994. "How long do unilateral target zones last?," Journal of International Economics, Elsevier, vol. 36(3-4), pages 467-481, May.
    4. William Poole, 1969. "Optimal choice of monetary policy instruments in a simple stochastic macro model," Special Studies Papers 2, Board of Governors of the Federal Reserve System (U.S.).
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    6. Beetsma, Roel M. W. J. & van der Ploeg, Frederick, 1998. "Macroeconomic stabilization and intervention policy under an exchange rate band," Journal of International Money and Finance, Elsevier, vol. 17(2), pages 339-353, April.
    7. Lawrence Klein, 1990. "The open economy," Open Economies Review, Springer, vol. 1(1), pages 3-16, February.
    8. Paul R. Krugman, 1991. "Target Zones and Exchange Rate Dynamics," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 106(3), pages 669-682.
    9. Klein, Michael W, 1990. "Playing with the Band: Dynamic Effects of Target Zones in an Open Economy," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 31(4), pages 757-772, November.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Stabilisation policy; exchange rate crises; optimal target zones;
    All these keywords.

    JEL classification:

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

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