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The Dog That Did Not Bark: Insider Trading and Crashes

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Author Info
JOSE M. MARIN
JACQUES P. OLIVIER

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Abstract

This paper documents that at the individual stock level, insiders' sales peak many months before a large drop in the stock price, while insiders' purchases peak only the month before a large jump. We provide a theoretical explanation for this phenomenon based on trading constraints and asymmetric information. A key feature of our theory is that rational uninformed investors may react more strongly to the absence of insider sales than to their presence (the "dog that did not bark" effect). We test our hypothesis against competing stories, such as insiders timing their trades to evade prosecution. Copyright (c) 2008 The American Finance Association.

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1540-6261.2008.01401.x
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Publisher Info
Article provided by American Finance Association in its journal The Journal of Finance.

Volume (Year): 63 (2008)
Issue (Month): 5 (October)
Pages: 2429-2476
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Handle: RePEc:bla:jfinan:v:63:y:2008:i:5:p:2429-2476

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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  3. Harrison Hong & Jose Scheinkman & Wei Xiong, 2005. "Asset Float and Speculative Bubbles," Levine's Bibliography 122247000000000861, UCLA Department of Economics. [Downloadable!]
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  4. Gennotte, Gerard & Leland, Hayne, 1990. "Market Liquidity, Hedging, and Crashes," American Economic Review, American Economic Association, vol. 80(5), pages 999-1021, December. [Downloadable!] (restricted)
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  5. Conrad, Jennifer & Kaul, Gautam, 1993. " Long-Term Market Overreaction or Biases in Computed Returns?," Journal of Finance, American Finance Association, vol. 48(1), pages 39-63, March. [Downloadable!] (restricted)
  6. Allen F. & Morris S. & Postlewaite A., 1993. "Finite Bubbles with Short Sale Constraints and Asymmetric Information," Journal of Economic Theory, Elsevier, vol. 61(2), pages 206-229, December. [Downloadable!] (restricted)
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  10. H. Henry Cao & Joshua D. Coval & David Hirshleifer, 2002. "Sidelined Investors, Trading-Generated News, and Security Returns," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 15(2), pages 615-648, March.
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  13. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
  14. Suleyman Basak & David Cass & Juan Manuel Licari & Anna Pavlova, 2006. "Multiplicity and Sunspots in General Financial Equilibrium with Portfolio Constraints," PIER Working Paper Archive 06-012, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania. [Downloadable!]
  15. Lakonishok, Josef & Lee, Inmoo, 2001. "Are Insider Trades Informative?," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 14(1), pages 79-111.
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  17. Meulbroek, Lisa K, 1992. " An Empirical Analysis of Illegal Insider Trading," Journal of Finance, American Finance Association, vol. 47(5), pages 1661-99, December. [Downloadable!] (restricted)
  18. Leslie A. Jeng & Andrew Metrick & Richard Zeckhauser, 2003. "Estimating the Returns to Insider Trading: A Performance-Evaluation Perspective," The Review of Economics and Statistics, MIT Press, vol. 85(2), pages 453-471, 07. [Downloadable!] (restricted)
  19. Romer, David, 1993. "Rational Asset-Price Movements without News," American Economic Review, American Economic Association, vol. 83(5), pages 1112-30, December. [Downloadable!] (restricted)
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  20. Franklin Allen & Douglas Gale, 1998. "Bubbles and Crises The Economic Journal," Center for Financial Institutions Working Papers 98-01, Wharton School Center for Financial Institutions, University of Pennsylvania. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. José M. Marín & Antoni Sureda-Gomila, 2007. "Firms vs. insiders as traders of last resort," Working Papers 2007-21, Instituto Madrileño de Estudios Avanzados (IMDEA) Ciencias Sociales. [Downloadable!]
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