Abstract
Keynes (1930) and Samuelson (1965) proposals open the possibilityof matching predictability and efficiency, as evidencedby the seminal study by Fisher (1930). Recent findings suggestthat the foreign exchange market gradually incorporates relevantinformation allowing the formation of prices in a rationalmanner but not randomly. Models of exchange rate by termbased on asset valuation suggest that the inclusion of risk inthe spot rate increases the degree of predictability. The resultsshow that after incorporating an accurate measure of risk, predictabilityof medium term foreign exchange rate increases.© 2015, School of Accounting and Management, National Autonomous University of Mexico. All rights reserved. Publication of the article implies full assignment of property rights (copyright) in Journal of Accounting and Management. The publication mreserves the right to total or partial reproduction of the work in other print, electronic or any other alternative means, but always recognizing its responsibility.
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