The foreign exchange market efficiency hypothesis revisited
AbstractThe foreign exchange market efficiency hypothesis is revisited using the modern Phillips-Hansen Fully Modified Ordinary Least squares (FM-OLS) procedure. It corrects for both endogeneity in the data and asymptotic bias in the coefficient estimates. The volatile decade of the 1980s is the chosen sample. The necessary and sufficient condition for market efficiency/unbiasedness is tested by sequentially conducting the Phillips-Ouliaris non-stationarity test on the residuals and the FM-WALD test for the required parameter values. Across the board evidence is found supporting cointegration between future spot rates and forward rates, i.e. the necessary condition is satisfied. But both the necessary and sufficient condition is supported for two out of four currencies, presumably due to the presence of the risk premium and/or market imperfections.
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Bibliographic InfoArticle provided by Taylor & Francis Journals in its journal Applied Economics Letters.
Volume (Year): 2 (1995)
Issue (Month): 9 ()
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- W.H. Buiter, 2000. "Optimal Currency Areas: Why Does the Exchange Rate Regime Matter? (With an Application to UK Membership in EMU)," CEP Discussion Papers dp0462, Centre for Economic Performance, LSE.
- Buiter, Willem H, 2000. "Optimal Currency Areas: Why Does The Exchange Rate Regime Matter?," CEPR Discussion Papers 2366, C.E.P.R. Discussion Papers.
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