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Disposition Matters: Volume, Volatility and Price Impact of Behavioral Bias

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Author Info
William N. Goetzmann () (Yale School of Management - International Center for Finance)
Massimo Massa () (INSEAD - Department of Finance)

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Abstract

We test the market impact of the disposition effect. We rely on the Grinblatt and Han (2002) model and derive testable implications about the expected relationship between the preponderance of disposition investors in the market and stock volatility, return and trading volume. We use a large sample of individual accounts over a six-year period to construct a variable that acts as proxy for the representation in the market of disposition investors. We show that, at a daily frequency, when the fraction of 'irrational' investor trades in a stock increases, stock volatility, return and trading volume decrease. We further show that such a stock-specific disposition acts as proxy to aggregates at the market level, generating a common factor. Statistical exposure to such a disposition-related factor explains cross-sectional differences in daily returns, after controlling for a host of other factors and characteristics.

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Paper provided by Yale School of Management in its series Yale School of Management Working Papers with number ysm447.

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Date of creation: 13 Apr 2005
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Handle: RePEc:ysm:somwrk:ysm447

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This paper has been announced in the following NEP Reports: References listed on IDEAS
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  1. John Y. Campbell, 2000. "Asset Pricing at the Millennium," Harvard Institute of Economic Research Working Papers 1897, Harvard - Institute of Economic Research. [Downloadable!]
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  2. Philip Brown & Nick Chappel & Ray Da Silva Rosa & Terry Walter, 2006. "The Reach of the Disposition Effect: Large Sample Evidence Across Investor Classes-super-," International Review of Finance, International Review of Finance Ltd., vol. 6(1-2), pages 43-78. [Downloadable!] (restricted)
  3. Shlomo Benartzi & Richard H. Thaler, 2001. "Naive Diversification Strategies in Defined Contribution Saving Plans," American Economic Review, American Economic Association, vol. 91(1), pages 79-98, March. [Downloadable!] (restricted)
  4. Ning Zhu & Ravi Dhar, 2002. "Up Close and Personal: An Individual Level Analysis of the Disposition Effect," Yale School of Management Working Papers ysm269, Yale School of Management. [Downloadable!]
  5. Stephen J. Brown & William N. Goetzmann & Takato Hiraki & Noriyoshi Shirishi & Masahiro Watanabe, 2003. "Investor Sentiment in Japanese and U.S. Daily Mutual Fund Flows," NBER Working Papers 9470, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  6. Benartzi, Shlomo & Thaler, Richard H, 1995. "Myopic Loss Aversion and the Equity Premium Puzzle," The Quarterly Journal of Economics, MIT Press, vol. 110(1), pages 73-92, February. [Downloadable!] (restricted)
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  7. Alon Brav & J.B. Heaton, 2002. "Competing Theories of Financial Anomalies," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 15(2), pages 575-606, March.
  8. Brad M. Barber & Terrance Odean, 2002. "Online Investors: Do the Slow Die First?," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 15(2), pages 455-488, March.
  9. William N. Goetzmann & Massimo Massa, 1999. "Index Funds and Stock Market Growth," NBER Working Papers 7033, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  10. William N. Goetzmann & Alok Kumar, 2004. "Equity Portfolio Diversification," Yale School of Management Working Papers ysm17, Yale School of Management. [Downloadable!]
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  1. Petri Kyröläinen, 2008. "Day trading and stock price volatility," Journal of Economics and Finance, Springer, vol. 32(1), pages 75-89, January. [Downloadable!] (restricted)
  2. Grinblatt, Mark & Han, Bing, 2003. "The Disposition Effect and Momentum," Working Paper Series 2004-3, Ohio State University, Charles A. Dice Center for Research in Financial Economics. [Downloadable!]
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  3. Weber, Martin & Welfens, Frank, 2007. "How do Markets React to Fundamental Shocks? An Experimental Analysis on Underreaction and Momentum," Sonderforschungsbereich 504 Publications 07-42, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim. [Downloadable!]
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