Empirical evidence shows that observed macroeconomic fundamentals have little explanatory power for nominal exchange rates (the exchange rate determination puzzle). On the other hand, the recent \microstructure approach to exchange rates" has shown that most exchange rate volatility at short to medium horizons is related to order flow. In this paper we introduce symmetric information dispersion about future fundamentals in a dynamic rational expectations model in order to explain these stylized facts. Consistent with the evidence the model implies that (i) observed fundamentals account for little of exchange rate volatility in the short to medium run, (ii) over long horizons the exchange rate is closely related to observed fundamentals, (iii) exchange rate changes are a weak predictor of future fundamentals, and (iv) the exchange rate is closely related to order flow over both short and long horizons.
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Paper provided by International Center for Financial Asset Management and Engineering in its series FAME Research Paper Series with number
rp155.
Find related papers by JEL classification: F3 - International Economics - - International Finance F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance G0 - Financial Economics - - General G1 - Financial Economics - - General Financial Markets E0 - Macroeconomics and Monetary Economics - - General
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