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Impact of the day-of-the-week effect on diversification of exchange rate risks

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  • Tang, Gordon Y. N.
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    Abstract

    Diversification and day-of-the-week effects on exchange rate risks have been well documented in the literature, but separately. This paper studies empirically the interaction of diversification and day-of-the-week effects on exchange rate risks. The results show that different days have great impact on diversification of exchange rate risks, particularly on skewness and kurtosis. With an increase in the portfolio size, the average skewness increases on Monday, Thursday and Friday but decreases on Tuesday, Wednesday and Saturday. The average kurtosis decreases with an increase in the portfolio size on Wednesday and Thursday. On the other days, however, the average kurtosis decreases first, and then increases. The results suggest that unsystematic skewness and kurtosis change signs across days of the week. An analysis of consistency over time shows that the portfolio effect on standard deviation is highly stable while the effect on kurtosis is relatively less stable. However, the portfolio effect on skewness is highly unstable over time. Investors should be aware of the day-of-the-week effect on diversification in the foreign exchange markets if they want to maximize their returns and minimize their risks.

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    Bibliographic Info

    Article provided by Elsevier in its journal International Business Review.

    Volume (Year): 6 (1997)
    Issue (Month): 1 (February)
    Pages: 35-51

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    Handle: RePEc:eee:iburev:v:6:y:1997:i:1:p:35-51

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    Related research

    Keywords: Diversification Day-of-the-Week Effect Exchange Rate Risks;

    References

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    1. Yadav, Pradeep K. & Pope, Peter F., 1992. "Intraweek and intraday seasonalities in stock market risk premia: Cash and futures," Journal of Banking & Finance, Elsevier, vol. 16(1), pages 233-270, February.
    2. Friend, Irwin & Westerfield, Randolph, 1980. " Co-Skewness and Capital Asset Pricing," Journal of Finance, American Finance Association, vol. 35(4), pages 897-913, September.
    3. Jeffrey Jaffe & R. Westerfield, . "The Week-End Effect in Common Stock Returns: The International Evidence," Rodney L. White Center for Financial Research Working Papers 3-85, Wharton School Rodney L. White Center for Financial Research.
    4. McFarland, James W & Pettit, R Richardson & Sung, Sam K, 1982. " The Distribution of Foreign Exchange Price Changes: Trading Day Effects and Risk Measurement," Journal of Finance, American Finance Association, vol. 37(3), pages 693-715, June.
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    6. Simkowitz, Michael A. & Beedles, William L., 1978. "Diversification in a Three-Moment World," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 13(05), pages 927-941, December.
    7. Kraus, Alan & Litzenberger, Robert H, 1976. "Skewness Preference and the Valuation of Risk Assets," Journal of Finance, American Finance Association, vol. 31(4), pages 1085-1100, September.
    8. French, Kenneth R., 1980. "Stock returns and the weekend effect," Journal of Financial Economics, Elsevier, vol. 8(1), pages 55-69, March.
    9. Singleton, J. Clay & Wingender, John, 1986. "Skewness Persistence in Common Stock Returns," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 21(03), pages 335-341, September.
    10. Akgiray, Vedat & Geoffrey Booth, G. & Seifert, Bruce, 1988. "Distribution properties of Latin American black market exchange rates," Journal of International Money and Finance, Elsevier, vol. 7(1), pages 37-48, March.
    11. Lim, Kian-Guan, 1989. "A New Test of the Three-Moment Capital Asset Pricing Model," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 24(02), pages 205-216, June.
    12. Jeffrey Jaffe & R. Westerfield, . "The Week-End Effect in Common Stock Returns: The International Evidence," Rodney L. White Center for Financial Research Working Papers 03-85, Wharton School Rodney L. White Center for Financial Research.
    13. Aggarwal, Raj & Rao, Ramesh P & Hiraki, Takato, 1989. "Skewness and Kurtosis in Japanese Equity Returns: Empirical Evidence," Journal of Financial Research, Southern Finance Association & Southwestern Finance Association, vol. 12(3), pages 253-60, Fall.
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    Cited by:
    1. Dumitriu, Ramona & Stefanescu, Razvan, 2010. "Changes in the DOW effects in the Romanian foreign exchange market," MPRA Paper 41666, University Library of Munich, Germany, revised 15 Mar 2010.
    2. Baker, H. Kent & Rahman, Abdul & Saadi, Samir, 2008. "The day-of-the-week effect and conditional volatility: Sensitivity of error distributional assumptions," Review of Financial Economics, Elsevier, vol. 17(4), pages 280-295, December.

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