Defending a government's exchange-rate commitment with active interest rate policy is not an option in the Krugman-Flood-Garber (KFG) model of speculative attacks. In that model, the interest rate is the passive reflection of currency-depreciation expectations. In this paper we show how to adapt the KFG model to allow for an interest rate defence. It is shown that increasing domestic-currency interest rate makes domestic assets more attractive according to an asset substitution effect, but weakens the domestic currency by increasing the government's fiscal liabilities. As a result raising the interest rate hastens the speculative attack when speculation is motivated by underlying fiscal fragility.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
2507.
Find related papers by JEL classification: F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
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Daniel, Betty C, 2001.
"A Fiscal Theory of Currency Crises,"
International Economic Review,
Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 42(4), pages 969-88, November.
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