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Ex-day behavior of Japanese stock prices: new insights from new methodology


  • Fumio Hayashi
  • Ravi Jagannathan


We study the ex-dividend day behavior of Japanese stock prices for the period 1983–87. We find that, contrary to previous findings, prices of ex-day stocks drop by nearly the full amount of the dividend. However, ex-day stocks shows an abnormal return. Also, for the many ex-dividend day stocks that also go ex-rights on the same ex-day, we find that the return is on average higher than that for stocks without rights issues. We thus conclude that the ex-day behavior of Japanese stocks are qualitatively similar to that of U.S. stocks.

Suggested Citation

  • Fumio Hayashi & Ravi Jagannathan, 1990. "Ex-day behavior of Japanese stock prices: new insights from new methodology," Discussion Paper / Institute for Empirical Macroeconomics 30, Federal Reserve Bank of Minneapolis.
  • Handle: RePEc:fip:fedmem:30

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    References listed on IDEAS

    1. Lakonishok, Josef & Vermaelen, Theo, 1986. "Tax-induced trading around ex-dividend days," Journal of Financial Economics, Elsevier, vol. 16(3), pages 287-319, July.
    2. Altonji, Joseph G & Hayashi, Fumio & Kotlikoff, Laurence J, 1992. "Is the Extended Family Altruistically Linked? Direct Tests Using Micro Data," American Economic Review, American Economic Association, vol. 82(5), pages 1177-1198, December.
    3. Chamberlain, Gary, 1984. "Panel data," Handbook of Econometrics,in: Z. Griliches† & M. D. Intriligator (ed.), Handbook of Econometrics, edition 1, volume 2, chapter 22, pages 1247-1318 Elsevier.
    4. Poterba, James M & Summers, Lawrence H, 1984. " New Evidence that Taxes Affect the Valuation of Dividends," Journal of Finance, American Finance Association, vol. 39(5), pages 1397-1415, December.
    5. David C. Heath & Robert A. Jarrow, 2008. "Ex-Dividend Stock Price Behavior and Arbitrage Opportunities," World Scientific Book Chapters,in: Financial Derivatives Pricing Selected Works of Robert Jarrow, chapter 3, pages 47-60 World Scientific Publishing Co. Pte. Ltd..
    6. Grinblatt, Mark S. & Masulis, Ronald W. & Titman, Sheridan, 1984. "The valuation effects of stock splits and stock dividends," Journal of Financial Economics, Elsevier, vol. 13(4), pages 461-490, December.
    7. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-838, May.
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    Cited by:

    1. Liljeblom, Eva & Loflund, Anders & Hedvall, Kaj, 2001. "Foreign and domestic investors and tax induced ex-dividend day trading," Journal of Banking & Finance, Elsevier, vol. 25(9), pages 1687-1716, September.
    2. Boyd, John H & Jagannathan, Ravi, 1994. "Ex-dividend Price Behavior of Common Stocks," Review of Financial Studies, Society for Financial Studies, vol. 7(4), pages 711-741.
    3. Jakob, Keith & Ma, Tongshu, 2004. "Tick size, NYSE rule 118, and ex-dividend day stock price behavior," Journal of Financial Economics, Elsevier, vol. 72(3), pages 605-625, June.
    4. Frank, Murray & Jagannathan, Ravi, 1998. "Why do stock prices drop by less than the value of the dividend? Evidence from a country without taxes," Journal of Financial Economics, Elsevier, vol. 47(2), pages 161-188, February.
    5. Green, Richard C. & Rydqvist, Kristian, 1999. "Ex-day behavior with dividend preference and limitations to short-term arbitrage: the case of Swedish lottery bonds," Journal of Financial Economics, Elsevier, vol. 53(2), pages 145-187, August.

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    Stock - Prices - Japan ; Japan;


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