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Just How Serious is Insider Trading? An Evaluation using Thoroughbred Wagering Markets

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Author Info

  • Les Coleman

Abstract

This paper quantifies the extent and changes in insider trading in the Melbourne racetrack betting market using a unique, long term dataset. Wagering markets share many of the characteristics of other financial markets, and are simple, with good data and a designated endpoint. Thus they are an excellent natural laboratory to study what is probably happening in qualitatively similar conventional markets. Results of this paper provide statistically significant support for hypotheses supporting the existence and increase in level of insider trading, and suggest that around two percent of betting is by insiders.

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Bibliographic Info

Article provided by University of Buckingham Press in its journal Journal of Gambling Business and Economics.

Volume (Year): 1 (2007)
Issue (Month): 1 (February)
Pages: 31-55

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Handle: RePEc:buc:jgbeco:v:1:y:2007:i:1:p:31-55

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Web: http://www.jgbe.com/index_files/Page492.htm

Related research

Keywords: INSIDER TRADING; STRONG MARKET EFFICIENCY; WAGERING MARKETS;

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References

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  3. Seyhun, H. Nejat, 1986. "Insiders' profits, costs of trading, and market efficiency," Journal of Financial Economics, Elsevier, vol. 16(2), pages 189-212, June.
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  5. Ray C. Fair, 2000. "Events that Shook the Market," Yale School of Management Working Papers ysm149, Yale School of Management.
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  10. Shin, Hyun Song, 1993. "Measuring the Incidence of Insider Trading in a Market for State-Contingent Claims," Economic Journal, Royal Economic Society, vol. 103(420), pages 1141-53, September.
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  16. Cornell, Bradford & Sirri, Erik R, 1992. " The Reaction of Investors and Stock Prices to Insider Trading," Journal of Finance, American Finance Association, vol. 47(3), pages 1031-59, July.
  17. Dowie, Jack A, 1976. "On the Efficiency and Equity of Betting Markets," Economica, London School of Economics and Political Science, vol. 43(17), pages 139-50, May.
  18. John M. Gandar & William H. Dare & Craig R. Brown & Richard A. Zuber, 1998. "Informed Traders and Price Variations in the Betting Market for Professional Basketball Games," Journal of Finance, American Finance Association, vol. 53(1), pages 385-401, 02.
  19. Michael Cain & David Law & David Peel, 2003. "The Favourite-Longshot Bias, Bookmaker Margins and Insider Trading in a Variety of Betting Markets," Bulletin of Economic Research, Wiley Blackwell, vol. 55(3), pages 263-273, 07.
  20. Fama, Eugene F, 1970. "Efficient Capital Markets: A Review of Theory and Empirical Work," Journal of Finance, American Finance Association, vol. 25(2), pages 383-417, May.
  21. B. Espen Eckbo & David C. Smith, 1998. "The Conditional Performance of Insider Trades," Journal of Finance, American Finance Association, vol. 53(2), pages 467-498, 04.
  22. Steven D. Levitt, 2004. "Why are gambling markets organised so differently from financial markets?," Economic Journal, Royal Economic Society, vol. 114(495), pages 223-246, 04.
  23. Williams, Leighton Vaughan & Paton, David, 1997. "Why Is There a Favourite-Longshot Bias in British Racetrack Betting Markets?," Economic Journal, Royal Economic Society, vol. 107(440), pages 150-58, January.
  24. Meulbroek, Lisa K, 1992. " An Empirical Analysis of Illegal Insider Trading," Journal of Finance, American Finance Association, vol. 47(5), pages 1661-99, December.
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Citations

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Cited by:
  1. Les Coleman & Adi Schnytzer, 2011. "Shorting the Bear: A Test of Anecdotal Evidence of Insider Trading in Early Stages of the Sub-Prime Market Crisis," Working Papers 2011-11, Department of Economics, Bar-Ilan University.
  2. Adi Schnytzer & Avichai Snir, 2011. "Herding in Imperfect Betting Markets with Inside Traders," Working Papers 2011-08, Department of Economics, Bar-Ilan University.

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