When is it Optimal to Abandon a Fixed Exchange Rate?

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  • When is it Optimal to Abandon a Fixed Exchange Rate? Book Detail

  • Author : Sergio Rebelo
  • Release Date : 2006
  • Publisher :
  • Genre : Foreign exchange rates
  • Pages : 48
  • ISBN 13 :
  • File Size : 85,85 MB

When is it Optimal to Abandon a Fixed Exchange Rate? by Sergio Rebelo PDF Summary

Book Description: The influential Krugman-Flood-Garber (KFG) model of balance of payment crises assumes that a fixed exchange rate is abandoned if and only if international reserves reach a critical threshold value. From a positive standpoint, the KFG rule is at odds with many episodes in which the central bank has plenty of international reserves at the time of abandonment. We study the optimal exit policy and show that, from a normative standpoint, the KFG rule is generally suboptimal. We consider a model in which the fixed exchange rate regime has become unsustainable due to an unexpected increase in government spending. We show that, when there are no exit costs, it is optimal to abandon immediately. When there are exit costs, the optimal abandonment time is a decreasing function of the size of the fiscal shock. For large fiscal shocks, immediate abandonment is optimal. Our model is consistent with evidence suggesting that many countries exit fixed exchange rate regimes with still plenty of international reserves in the central bank's vault

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Moving to a Flexible Exchange Rate

Moving to a Flexible Exchange Rate

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A growing number of countries are adopting flexible exchange rate regimes because flexibility offers more protection against external shocks and greater monetar