Optimal target zones: How an exchange rate mechanism can improve upon discretion
AbstractUsing Krugman's (1991) target zone model, we find an explicit, sub-game perfect solution for a central bank wishing to stabilize the exchange rate given proportional costs of intervention. We demonstrate, however, that precommitment to narrower bands would yield a welfare gain - which provides a theoretical rationale for an Exchange Rate Mechansim (ERM). Numerical simulations suggest that the optimal currency band with precommitment via an ERM is only half as wide as that under discretion.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Economic Dynamics and Control.
Volume (Year): 20 (1996)
Issue (Month): 9-10 ()
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Web page: http://www.elsevier.com/locate/jedc
Other versions of this item:
- Miller, Marcus & Zhang, Lei, 1994. "Optimal Target Zones: How an Exchange Rate Mechanism Can Improve Upon Discretion," CEPR Discussion Papers 1031, C.E.P.R. Discussion Papers.
- E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
- F31 - International Economics - - International Finance - - - Foreign Exchange
- F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
- F42 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Policy Coordination and Transmission
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