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A note on sorting bias correction in regression-based mutual fund tournament tests

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  • Aymen Karoui

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  • Iwan Meier

    ()

Abstract

The tournament hypothesis of Brown et al. (J Financ 51(1):85–110, 1996 ) conjectures that mutual funds with a below-average performance over the first half of the year tend to increase their risk in the second half of the year. Schwarz (Rev Financ Stud 25(3):913–936, 2012 ) argues that the methodologies that are used to test this hypothesis are flawed because they are affected by a bias that results from sorting on return, which likely also sorts on risk. He argues that both the contingency and regression approaches used in the literature are affected by this sorting bias. We demonstrate that simply including the return standard deviation over the first half of the year in regression-based tests corrects for most of the bias and is just as suitable a way to control for the sorting bias as the more complex Schwarz (Rev Financ Stud 25(3):913–936, 2012 ) correction. Copyright Swiss Society for Financial Market Research 2015

Suggested Citation

  • Aymen Karoui & Iwan Meier, 2015. "A note on sorting bias correction in regression-based mutual fund tournament tests," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 29(1), pages 21-29, February.
  • Handle: RePEc:kap:fmktpm:v:29:y:2015:i:1:p:21-29
    DOI: 10.1007/s11408-014-0240-2
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    References listed on IDEAS

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    1. Kempf, Alexander & Ruenzi, Stefan & Thiele, Tanja, 2009. "Employment risk, compensation incentives, and managerial risk taking: Evidence from the mutual fund industry," Journal of Financial Economics, Elsevier, vol. 92(1), pages 92-108, April.
    2. Manuel Ammann & Michael Verhofen, 2009. "The impact of prior performance on the risk-taking of mutual fund managers," Annals of Finance, Springer, vol. 5(1), pages 69-90, January.
    3. Chevalier, Judith & Ellison, Glenn, 1997. "Risk Taking by Mutual Funds as a Response to Incentives," Journal of Political Economy, University of Chicago Press, vol. 105(6), pages 1167-1200, December.
    4. Erik R. Sirri & Peter Tufano, 1998. "Costly Search and Mutual Fund Flows," Journal of Finance, American Finance Association, vol. 53(5), pages 1589-1622, October.
    5. Alexander Kempf & Stefan Ruenzi, 2008. "Tournaments in Mutual-Fund Families," Review of Financial Studies, Society for Financial Studies, vol. 21(2), pages 1013-1036, April.
    6. Aymen Karoui & Iwan Meier, 2015. "Fund performance and subsequent risk: a study of mutual fund tournaments using holdings-based measures," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 29(1), pages 1-20, February.
    7. Jennifer Lynch Koski & Jeffrey Pontiff, 1999. "How Are Derivatives Used? Evidence from the Mutual Fund Industry," Journal of Finance, American Finance Association, vol. 54(2), pages 791-816, April.
    8. Goriaev, Alexei & Nijman, Theo E. & Werker, Bas J. M., 2005. "Yet another look at mutual fund tournaments," Journal of Empirical Finance, Elsevier, vol. 12(1), pages 127-137, January.
    9. Busse, Jeffrey A., 2001. "Another Look at Mutual Fund Tournaments," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 36(1), pages 53-73, March.
    10. Daniel N. Deli, 2002. "Mutual Fund Advisory Contracts: An Empirical Investigation," Journal of Finance, American Finance Association, vol. 57(1), pages 109-133, February.
    11. Christopher G. Schwarz, 2012. "Mutual Fund Tournaments: The Sorting Bias and New Evidence," Review of Financial Studies, Society for Financial Studies, vol. 25(3), pages 913-936.
    12. Elton, Edwin J. & Gruber, Martin J. & Blake, Christopher R. & Krasny, Yoel & Ozelge, Sadi O., 2010. "The effect of holdings data frequency on conclusions about mutual fund behavior," Journal of Banking & Finance, Elsevier, vol. 34(5), pages 912-922, May.
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    1. Aymen Karoui & Iwan Meier, 2015. "Fund performance and subsequent risk: a study of mutual fund tournaments using holdings-based measures," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 29(1), pages 1-20, February.

    More about this item

    Keywords

    Mutual funds; Tournament; Sorting bias; Risk shifting; G11; G12; G14;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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