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Target zone dynamics where the fundamental follows a SDE with periodic forcing

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  • Dibeh, Ghassan

Abstract

This paper investigates exchange rate and reserves dynamics in a target zone where the fundamental follows a stochastic differential equation with a periodic forcing function. Solutions to the model show that the target zone plays a stabilizing role but the dynamics of the exchange rate follow a family of S-shaped functions as time evolves. This dynamics cause the width of the target zone to be a varying function of time. It becomes what we can call a flexible target zone. The monetary authorities are then forced to hold not only large reserves but also varying reserves in order to properly defend the target zone.

Suggested Citation

  • Dibeh, Ghassan, 2006. "Target zone dynamics where the fundamental follows a SDE with periodic forcing," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 363(2), pages 437-445.
  • Handle: RePEc:eee:phsmap:v:363:y:2006:i:2:p:437-445
    DOI: 10.1016/j.physa.2005.08.013
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    References listed on IDEAS

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    Cited by:

    1. Yu-Fu Chen & Michael Funke & Richhild Moessner, 2017. "Informal one-sided target zone model and the Swiss franc," BIS Working Papers 660, Bank for International Settlements.
    2. Yu-Fu Chen & Michael Funke & Nicole Glanemann, 2009. "A Soft Edge Target Zone Model: Theory And Application To Hong Kong," Dundee Discussion Papers in Economics 228, Economic Studies, University of Dundee.
    3. Michael Funke & Yu-Fu Chen & Nicole Glanemann, 2009. "A soft target zone model: Theory and application to Hong Kong," Quantitative Macroeconomics Working Papers 20912, Hamburg University, Department of Economics.

    More about this item

    Keywords

    Speculative attacks; Target zones; Econophysics;

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