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The Dog that Did Not Bark: Insider Trading and Crashes

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  • Marín Vigueras, José Maria
  • Olivier, Jacques

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 patterns of insider trading driven by earnings announcement dates, or insiders timing their trades to evade prosecution.

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Bibliographic Info

Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6244.

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Date of creation: Apr 2007
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Handle: RePEc:cpr:ceprdp:6244

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Keywords: crashes; insider trading; rational expectations equilibrium; short-sale constraints; volatility;

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References

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  1. 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.
  2. Romer, David, 1993. "Rational Asset-Price Movements without News," American Economic Review, American Economic Association, vol. 83(5), pages 1112-30, December.
  3. Barlevy, Gadi & Veronesi, Pietro, 2003. "Rational panics and stock market crashes," Journal of Economic Theory, Elsevier, vol. 110(2), pages 234-263, June.
  4. Marin, Jose M & Rahi, Rohit, 2000. "Information Revelation and Market Incompleteness," Review of Economic Studies, Wiley Blackwell, vol. 67(3), pages 563-79, July.
  5. Meulbroek, Lisa K, 1992. " An Empirical Analysis of Illegal Insider Trading," Journal of Finance, American Finance Association, vol. 47(5), pages 1661-99, December.
  6. Devenow, Andrea & Welch, Ivo, 1996. "Rational herding in financial economics," European Economic Review, Elsevier, vol. 40(3-5), pages 603-615, April.
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  8. Franklin Allen & Stephen Morris & Hyun Song Shin, 2003. "Beauty Contests, Bubbles and Iterated Expectations in Asset Markets," NajEcon Working Paper Reviews 391749000000000553, www.najecon.org.
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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, Society for Financial Studies, vol. 15(2), pages 615-648, March.
  11. 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.
  12. Bhattacharya, Utpal & Spiegel, Matthew, 1991. "Insiders, Outsiders, and Market Breakdowns," Review of Financial Studies, Society for Financial Studies, vol. 4(2), pages 255-82.
  13. Joseph Chen & Harrison Hong & Jeremy C. Stein, 2000. "Forecasting Crashes: Trading Volume, Past Returns and Conditional Skewness in Stock Prices," NBER Working Papers 7687, National Bureau of Economic Research, Inc.
  14. 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.
  15. Radner, Roy, 1979. "Rational Expectations Equilibrium: Generic Existence and the Information Revealed by Prices," Econometrica, Econometric Society, vol. 47(3), pages 655-78, May.
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  17. Lakonishok, Josef & Lee, Inmoo, 2001. "Are Insider Trades Informative?," Review of Financial Studies, Society for Financial Studies, vol. 14(1), pages 79-111.
  18. Sylvain Friederich & Alan Gregory & John Matatko & Ian Tonks, 2002. "Short-run Returns around the Trades of Corporate Insiders on the London Stock Exchange," European Financial Management, European Financial Management Association, vol. 8(1), pages 7-30.
  19. 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, May.
  20. Chamberlain, Gary, 1980. "Analysis of Covariance with Qualitative Data," Review of Economic Studies, Wiley Blackwell, vol. 47(1), pages 225-38, January.
  21. 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.
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Citations

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Cited by:
  1. André Betzer & Jasmin Gider & Daniel Metzger & Erik Theissen, 2011. "Strategic Trading and Trade Reporting by Corporate Insiders," Schumpeter Discussion Papers sdp11015, Universitätsbibliothek Wuppertal, University Library.
  2. 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.
  3. Stefano Giglio & Kelly Shue, 2013. "No News is News: Do Markets Underreact to Nothing?," NBER Working Papers 18914, National Bureau of Economic Research, Inc.
  4. Partha Gangopadhyay & Ken Yook & Yoon Shin, 2014. "Insider trading and firm-specific return volatility," Review of Quantitative Finance and Accounting, Springer, vol. 43(1), pages 1-19, July.
  5. Benjamin Golez & José M. Marín, 2010. "Price support in the stock market," Working Papers 2010-16, Instituto Madrileño de Estudios Avanzados (IMDEA) Ciencias Sociales.
  6. Dong Lou, 2009. "Attracting investor attention through advertising," LSE Research Online Documents on Economics 29311, London School of Economics and Political Science, LSE Library.

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