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Tests of Unbiasedness in the Foreign Exchange Futures Markets: An Examination of Price Limits and Conditional Heteroscedasticity

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  • Kodres, Laura E

Abstract

Daily price limits, an institutional feature of futures markets, truncate the distribution of price changes and dampen the variance. Previous tests of the unbiasedness hypothesis using daily foreign exchange futures prices have accounted for the observed conditional heteroscedasticity in the data but have neglected to adequately incorporate the additional effects of daily price limits. This article examines both time variation and truncation of futures price changes. Empirical results suggest that previous rejections of the unbiasedness hypothesis in the foreign exchange futures market are not substantively altered by inclusion of price limits but may be attributed to potentially biased testing procedures. Copyright 1993 by University of Chicago Press.

Suggested Citation

  • Kodres, Laura E, 1993. "Tests of Unbiasedness in the Foreign Exchange Futures Markets: An Examination of Price Limits and Conditional Heteroscedasticity," The Journal of Business, University of Chicago Press, vol. 66(3), pages 464-490, July.
  • Handle: RePEc:ucp:jnlbus:v:66:y:1993:i:3:p:464-90
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    Cited by:

    1. Friedmann, Ralph & Sanddorf-Kohle, Walter G., 2007. "A conditional distribution model for limited stock index returns," Journal of Economic Dynamics and Control, Elsevier, vol. 31(3), pages 721-741, March.
    2. K. Smimou, 2013. "On the significance testing of fuzzy regression applied to the CAPM: Canadian commodity futures evidence," International Journal of Applied Management Science, Inderscience Enterprises Ltd, vol. 5(2), pages 144-171.
    3. Jaehun Chung & Yongmiao Hong, 2007. "Model-free evaluation of directional predictability in foreign exchange markets," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(5), pages 855-889.
    4. Chou, Pin-Huang, 1997. "A Gibbs sampling approach to the estimation of linear regression models under daily price limits," Pacific-Basin Finance Journal, Elsevier, vol. 5(1), pages 39-62, February.
    5. Chen, Chao & Jeng, Jau-Lian, 1996. "The impact of price limits on foreign currency futures' price volatility and market efficiency," Global Finance Journal, Elsevier, vol. 7(1), pages 13-25.
    6. Hsieh, Ping-Hung & Yang, J. Jimmy, 2009. "A censored stochastic volatility approach to the estimation of price limit moves," Journal of Empirical Finance, Elsevier, vol. 16(2), pages 337-351, March.
    7. Eymen Errais & Dhikra Bahri, 2016. "Is Standard Deviation a Good Measure of Volatility? the Case of African Markets with Price Limits," Annals of Economics and Finance, Society for AEF, vol. 17(1), pages 145-165, May.
    8. Dark, Jonathan, 2012. "Will tighter futures price limits decrease hedge effectiveness?," Journal of Banking & Finance, Elsevier, vol. 36(10), pages 2717-2728.
    9. Tamir Levy & Joseph Yagil, 2006. "An Empirical Comparison of Price-Limit Models-super-," International Review of Finance, International Review of Finance Ltd., vol. 6(3-4), pages 157-176.
    10. Levy, Tamir & Qadan, Mahmod & Yagil, Joseph, 2013. "Predicting the limit-hit frequency in futures contracts," International Review of Financial Analysis, Elsevier, vol. 30(C), pages 141-148.
    11. Degiannakis, Stavros & Xekalaki, Evdokia, 2004. "Autoregressive Conditional Heteroskedasticity (ARCH) Models: A Review," MPRA Paper 80487, University Library of Munich, Germany.
    12. Kumar, Satish & Trück, Stefan, 2014. "Unbiasedness and risk premiums in the Indian currency futures market," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 29(C), pages 13-32.
    13. Wei, K. C. John & Chiang, Raymond, 2004. "A GMM approach for estimation of volatility and regression models when daily prices are subject to price limits," Pacific-Basin Finance Journal, Elsevier, vol. 12(4), pages 445-461, September.
    14. Shen, Chung-Hua & Wang, Lee-Rong, 1998. "Daily serial correlation, trading volume and price limits: Evidence from the Taiwan stock market," Pacific-Basin Finance Journal, Elsevier, vol. 6(3-4), pages 251-273, August.

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