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Monthly Pattern and Portfolio Effect on Higher Moments of Stock Returns: Empirical Evidence from Hong Kong

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  • Gordon Tang

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    Abstract

    Using a direct test, this paper studies the month-of-the-year effect on the higher moments of six industrial stock indices of the Hong Kong market. We also examine the portfolio effect on skewness and kurtosis across month of the year to see if such an anomaly exists. The empirical results support a weak month-of-the-year effect in higher moments of stock returns. Using a complete sample of all possible combinations for each portfolio size, we show that portfolio effect varies across month of the year for both skewness and kurtosis. In particular, our results show that diversification does not necessarily provide benefits to rational investors when the stock return distribution is non-normal, even though portfolio formation can reduce standard deviation. In June, August and October, diversification across industrial sectors results in a more negatively skewed and leptokurtic return distribution, which is not preferred by investors with risk-aversion. Two (one) possible explanations for the portfolio effect on skewness (kurtosis) are also provided. Our empirical results add new evidence to the existence of anomalies in the Hong Kong stock market. Copyright Kluwer Academic Publishers 1998

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    Bibliographic Info

    Article provided by Springer in its journal Asia-Pacific Financial Markets.

    Volume (Year): 5 (1998)
    Issue (Month): 3 (November)
    Pages: 275-307

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    Handle: RePEc:kap:apfinm:v:5:y:1998:i:3:p:275-307

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    Web page: http://springerlink.metapress.com/link.asp?id=102851

    Related research

    Keywords: higher moments; Hong Kong; monthly pattern; portfolio effect;

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    1. Tinic, Seha M. & West, Richard R., 1984. "Risk and return : Janaury vs. the rest of the year," Journal of Financial Economics, Elsevier, vol. 13(4), pages 561-574, December.
    2. Rozeff, Michael S. & Kinney, William Jr., 1976. "Capital market seasonality: The case of stock returns," Journal of Financial Economics, Elsevier, vol. 3(4), pages 379-402, October.
    3. Kato, Kiyoshi & Schallheim, James S., 1985. "Seasonal and Size Anomalies in the Japanese Stock Market," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 20(02), pages 243-260, June.
    4. Reinganum, Marc R & Shapiro, Alan C, 1987. "Taxes and Stock Return Seasonality: Evidence from the London Stock Exchange," The Journal of Business, University of Chicago Press, vol. 60(2), pages 281-95, April.
    5. 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.
    6. Gultekin, Mustafa N. & Gultekin, N. Bulent, 1983. "Stock market seasonality : International Evidence," Journal of Financial Economics, Elsevier, vol. 12(4), pages 469-481, December.
    7. 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.
    8. Scott, Robert C & Horvath, Philip A, 1980. " On the Direction of Preference for Moments of Higher Order Than the Variance," Journal of Finance, American Finance Association, vol. 35(4), pages 915-19, September.
    9. Brown, Philip & Keim, Donald B. & Kleidon, Allan W. & Marsh, Terry A., 1983. "Stock return seasonalities and the tax-loss selling hypothesis : Analysis of the arguments and Australian evidence," Journal of Financial Economics, Elsevier, vol. 12(1), pages 105-127, June.
    10. Corhay, Albert & Hawawini, Gabriel & Michel, Pierre, 1987. " Seasonality in the Risk-Return Relationship: Some International Evidence," Journal of Finance, American Finance Association, vol. 42(1), pages 49-68, March.
    11. 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.
    12. Officer, R. R., 1975. "Seasonality in Australian capital markets : Market efficiency and empirical issues," Journal of Financial Economics, Elsevier, vol. 2(1), pages 29-51, March.
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    Cited by:
    1. Stefanescu, Razvan & Dumitriu, Ramona, 2013. "Month-of-the-year effects on Romanian capital market before and after the adhesion to European Union," MPRA Paper 53069, University Library of Munich, Germany, revised 04 Apr 2013.
    2. Oded Galor & Omer Moav, 2005. "Land Inequality and the Origin of Divergence and Overtaking in the Growth Process: Theory and Evidence," 2005 Meeting Papers 24, Society for Economic Dynamics.
    3. Peter Hansen & Asger Lunde, 2003. "Testing the Significance of Calendar Effects," Working Papers 2003-03, Brown University, Department of Economics.
    4. Dumitriu, Ramona & Nistor, Costel & Stefanescu, Razvan, 2009. "Changes in the monthly effects from the Romanian foreign exchange market," MPRA Paper 41743, University Library of Munich, Germany, revised 08 May 2010.
    5. Stefanescu, Razvan & Dumitriu, Ramona, 2013. "MOY effects in returns and in volatilities of the Romanian capital market," MPRA Paper 52474, University Library of Munich, Germany, revised 28 Oct 2013.

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