Sterilized Foreign Exchange Market Interventions in a Chartist-Fundamentalist Exchange Rate Model

Robert Schmidt and Timo Wollmershäuser

No 50, W.E.P. - Würzburg Economic Papers from University of Würzburg, Department of Economics

Abstract: Sterilized foreign exchange market interventions are commonly dismissed by economists as an ineffective policy instrument. Nevertheless many central banks operating under independently floating exchange rates regimes are often engaged in sales and purchases of foreign exchange in order to manipulate the current value of their currencies. In this paper we argue that the skepticism of many economists can be ascribed to their orientation on fundamental-based, efficient-market exchange rate models. Given their weak empirical support, however, it is unreasonable to evaluate the effectiveness of sterilized foreign exchange interventions against the background of this class of models. Therefore, the purpose of this paper is to investigate the effectiveness of sterilized foreign exchange market interventions on the basis of a more suitable model. Using a chartist-fundamentalist model we show that central banks can influence exchange rates by using sterilized interventions. In particular, turning points occur earlier and exchange rate misalignments are substantially reduced.

Keywords: Foreign exchange; central bank intervention; heterogeneous expectation (search for similar items in EconPapers)
JEL-codes: D84 E58 F31 (search for similar items in EconPapers)
Date: 2004
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Related works:
Working Paper: Sterilized Foreign Exchange Market Interventions in a Chartist-Fundamentalist Exchange Rate Model (2010)
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