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Structural change in the forward discount: Implications for the forward rate unbiasedness hypothesis

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  • Sakoulis, Georgios
  • Zivot, Eric
  • Choi, Kyongwook

Abstract

It is a well-accepted empirical result that forward exchange rate unbiasedness is rejected in tests using the "differences regression" of the change in the logarithm of the spot exchange rate on the forward discount. We model the forward discount as an AR(1) process and argue that its persistence is exaggerated due to the presence of structural breaks. We show using a stochastic multiple break model that the forward discount persistence is substantially less if one allows for multiple structural breaks in the mean of the process. We argue that these breaks could be identified as monetary shocks to the central bank's reaction function. Using Monte Carlo simulations, we show that if we do not account for structural breaks that are present in the forward discount process, the forward discount coefficient in the "differences regression" is severely biased downward, away from its true value of 1.

Suggested Citation

  • Sakoulis, Georgios & Zivot, Eric & Choi, Kyongwook, 2010. "Structural change in the forward discount: Implications for the forward rate unbiasedness hypothesis," Journal of Empirical Finance, Elsevier, vol. 17(5), pages 957-966, December.
  • Handle: RePEc:eee:empfin:v:17:y:2010:i:5:p:957-966
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Tsung-Wu Ho & Wan-Shin Mo, 2016. "Testing the Persistence of the Forward Premium: Structural Changes or Misspecification?," Open Economies Review, Springer, vol. 27(1), pages 119-138, February.
    2. Aidil Rizal SHAHRIN, 2015. "Has Nonlinearity Resolved The A Nomaly Of Unit Root Behaviour In Forward Discount ? New Empirical Evidence," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(1), pages 70-80, March.
    3. Michael Jetter & Alex Nikolsko-Rzhevskyy, 2013. "Monetary Policy Shifts and the Forward Discount Puzzle," DOCUMENTOS DE TRABAJO CIEF 010729, UNIVERSIDAD EAFIT.
    4. Yi-Chi Chen & Wei-Choun Yu, 2011. "Structural change in the forward discount: a Bayesian analysis of forward rate unbiasedness hypothesis," Economics Bulletin, AccessEcon, vol. 31(2), pages 1807-1826.
    5. Baillie, Richard T. & Cho, Dooyeon, 2014. "Time variation in the standard forward premium regression: Some new models and tests," Journal of Empirical Finance, Elsevier, vol. 29(C), pages 52-63.
    6. Nagayasu, Jun, 2011. "The threshold nonstationary panel data approach to forward premiums," MPRA Paper 34265, University Library of Munich, Germany.
    7. Nagayasu, Jun, 2012. "Long-Run Implications of the Covered Interest Rate Parity Condition: Evidence during the Recent Crisis and Non-Crisis Periods," MPRA Paper 41566, University Library of Munich, Germany.
    8. Hall Stephen G. & Kenjegaliev Amangeldi & Swamy P. A. V. B. & Tavlas George S., 2013. "The forward rate premium puzzle: a case of misspecification?," Studies in Nonlinear Dynamics & Econometrics, De Gruyter, vol. 17(3), pages 265-279, May.
    9. repec:spr:jecfin:v:41:y:2017:i:3:d:10.1007_s12197-016-9363-9 is not listed on IDEAS
    10. Sebastian Gomez-Barrero & Julian A. Parra-Polania, 2014. "Central Bank Strategic Forecasting," Contemporary Economic Policy, Western Economic Association International, vol. 32(4), pages 802-810, October.
    11. repec:eee:ecmode:v:70:y:2018:i:c:p:310-319 is not listed on IDEAS
    12. Richard T., Baillie, 2011. "Possible solutions to the forward bias paradox," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 21(4), pages 617-622, October.

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