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Time-Varying forward Bias and the Volatility of Risk Premium: a Monetary Explanation

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Abstract

Forward exchange rate unbiassedness is rejected for international exchange markets. This paper proposes a stochastic general equilibrium model which generates substantial variability in the magnitude of predictable excess returns. Simulation exercises suggest that high persistency in the monetary policy produces greater bias in the estimated slope coefficient in the regression of the change in the logarithm of the spot exchange rate on the forward premium. Also, our model suggest that the nature of the transmission between monetary shocks can explain the excess return puzzle. Empirical evidence for the US-UK exchange rate according to our theoretical results is provided.

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  • Juan Ángel Lafuente & Jesús Ruiz, 2002. "Time-Varying forward Bias and the Volatility of Risk Premium: a Monetary Explanation," Documentos de Trabajo del ICAE 0214, Universidad Complutense de Madrid, Facultad de Ciencias Económicas y Empresariales, Instituto Complutense de Análisis Económico.
  • Handle: RePEc:ucm:doicae:0214
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    1. Bekaert, Geert & Hodrick, Robert J., 1993. "On biases in the measurement of foreign exchange risk premiums," Journal of International Money and Finance, Elsevier, vol. 12(2), pages 115-138, April.
    2. Kenneth A. Froot & Jeffrey A. Frankel, 1989. "Forward Discount Bias: Is it an Exchange Risk Premium?," The Quarterly Journal of Economics, Oxford University Press, vol. 104(1), pages 139-161.
    3. Bilson, John F O, 1981. "The "Speculative Efficiency" Hypothesis," The Journal of Business, University of Chicago Press, vol. 54(3), pages 435-451, July.
    4. Backus, David K & Gregory, Allan W & Telmer, Chris I, 1993. " Accounting for Forward Rates in Markets for Foreign Currency," Journal of Finance, American Finance Association, vol. 48(5), pages 1887-1908, December.
    5. Hodrick, Robert J., 1989. "Risk, uncertainty, and exchange rates," Journal of Monetary Economics, Elsevier, vol. 23(3), pages 433-459, May.
    6. Tauchen, George, 2001. "The bias of tests for a risk premium in forward exchange rates," Journal of Empirical Finance, Elsevier, vol. 8(5), pages 695-704, December.
    7. Zhu, Zhen, 2002. "Time-varying forward bias and the expected excess return," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 12(2), pages 119-137, April.
    8. Lucas, Robert Jr., 1982. "Interest rates and currency prices in a two-country world," Journal of Monetary Economics, Elsevier, vol. 10(3), pages 335-359.
    9. Baillie, Richard T. & Bollerslev, Tim, 2000. "The forward premium anomaly is not as bad as you think," Journal of International Money and Finance, Elsevier, vol. 19(4), pages 471-488, August.
    10. Fama, Eugene F., 1984. "Forward and spot exchange rates," Journal of Monetary Economics, Elsevier, vol. 14(3), pages 319-338, November.
    11. Dutton, John, 1993. "Real and Monetary Shocks and Risk Premia in Forward Markets for Foreign Exchange," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 25(4), pages 731-754, November.
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