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The friday the thirteenth effect in stock prices: international evidence using panel data


  • Keef, Stephen P
  • Khaled, Mohammed S


This examination of the Friday the 13th effect, in 62 international stock indices for the period 2000 to 2008, characterises the degree that the effect is influenced by: (i) the GDP of the economy and (ii) the sign of the return on the prior day. These effects are assessed by the use of an EGLS panel regression model incorporating panel corrected standard errors. The turn of the month effect on Fridays is also examined. Three important results relating to the Friday the 13th effect are observed. First, the depressed Friday the 13th effect is present when the return on the prior day is negative. Second, when the return on the prior day is positive, the depressed Friday the 13th effect is absent. Third, the depressed Friday the 13th effect is independent of the GDP of the country when the returns on control Fridays are used as the yardstick.

Suggested Citation

  • Keef, Stephen P & Khaled, Mohammed S, 2011. "The friday the thirteenth effect in stock prices: international evidence using panel data," Working Paper Series 1994, Victoria University of Wellington, School of Economics and Finance.
  • Handle: RePEc:vuw:vuwecf:1994

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    References listed on IDEAS

    1. Cadsby, Charles Bram & Ratner, Mitchell, 1992. "Turn-of-month and pre-holiday effects on stock returns: Some international evidence," Journal of Banking & Finance, Elsevier, vol. 16(3), pages 497-509, June.
    2. Bessembinder, Hendrik & Hertzel, Michael G, 1993. "Return Autocorrelations around Nontrading Days," Review of Financial Studies, Society for Financial Studies, vol. 6(1), pages 155-189.
    3. Daron Acemoglu & Simon Johnson & James A. Robinson, 2001. "The Colonial Origins of Comparative Development: An Empirical Investigation," American Economic Review, American Economic Association, vol. 91(5), pages 1369-1401, December.
    4. Ariel, Robert A., 1987. "A monthly effect in stock returns," Journal of Financial Economics, Elsevier, vol. 18(1), pages 161-174, March.
    5. Abraham, Abraham & Ikenberry, David L., 1994. "The Individual Investor and the Weekend Effect," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 29(02), pages 263-277, June.
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    Blog mentions

    As found by, the blog aggregator for Economics research:
    1. Triskaidekaphobia (fear of Friday the 13th) and the stock market.
      by brianmlucey in Brian M. Lucey on 2013-09-13 12:50:19


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    Cited by:

    1. Auer, Benjamin R. & Rottmann, Horst, 2014. "Is there a Friday the 13th effect in emerging Asian stock markets?," Journal of Behavioral and Experimental Finance, Elsevier, vol. 1(C), pages 17-26.

    More about this item


    Friday the 13th effect; turn of the month effect; international; stock indices; between-country;

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