IMF Working Papers

Target Zones and Interest Rate Variability

By Lars E. O. Svensson

April 1, 1990

Preview Citation

Format: Chicago

Lars E. O. Svensson Target Zones and Interest Rate Variability, (USA: International Monetary Fund, 1990) accessed November 21, 2024
Disclaimer: This Working Paper should not be reported as representing the views of the IMF.The views expressed in this Working Paper are those of the author(s) and do not necessarily represent those of the IMF or IMF policy. Working Papers describe research in progress by the author(s) and are published to elicit comments and to further debate

Summary

The trade-off between interest rate variability and the width of an exchange rate target zone is examined, using the regulated Brownian motion model of target zones. The interest rate differential’s asymptotic (unconditional) variability is increasing in the exchange rate band for narrow bands; whereas it is slowly decreasing for wide bands. The interest rate differential’s instantaneous (conditional) variability is decreasing in the exchange rate band. The model is extended to include a realignment/devaluation risk, as well as an endogenous exchange rate risk premium. The risk premium is small for reasonable parameter values.

Subject: Conventional peg, Crawling peg, Exchange rates, Foreign exchange, Managed exchange rates, National accounts, Return on investment

Keywords: Conventional peg, Crawling peg, Exchange rate band, Exchange rates, First derivative, Instantaneous standard deviation, Interest rate, Interest rate differential, Managed exchange rates, Probability mass, Responsiveness to the fundamental, Return on investment, Risk premium, WP

Publication Details

  • Pages:

    52

  • Volume:

    ---

  • DOI:

    ---

  • Issue:

    ---

  • Series:

    Working Paper No. 1990/031

  • Stock No:

    WPIEA0311990

  • ISBN:

    9781451979992

  • ISSN:

    1018-5941

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