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Insider trading with product differentiation

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Abstract

In this paper, we analyze the effect of Cournot competition with differentiated products on the real and financial decisions of a publicly-owned firm, with three different structures in the financial market : monopoly, duopoly and Stackelberg. We shows that the degree of product differentiation does not affect the results found in the literature on insider trading, concerning the effect of the financial market structure on firms' outputs, the revelation of information and the insiders' orders. Besides, firms' output, the amount of information revealed in the stock price, the insiders' trading orders and the owners' profits are independent of the degree of product differentiation. The real market structure through the degree of product differentiation is found to determine the level of the compensation scheme earned by the manager, the market makers' response to the total order flow signal as well as the managers' profits.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/CES2012/12014.pdf
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Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 12014.

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Length: 32 pages
Date of creation: Feb 2012
Date of revision:
Handle: RePEc:mse:cesdoc:12014

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Keywords: Insider trading; product differentiation; correlated signals; Kyle model.;

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  1. Holden, Craig W & Subrahmanyam, Avanidhar, 1992. " Long-Lived Private Information and Imperfect Competition," Journal of Finance, American Finance Association, vol. 47(1), pages 247-70, March.
  2. RenÈ Caldentey & Ennio Stacchetti, 2010. "Insider Trading With a Random Deadline," Econometrica, Econometric Society, vol. 78(1), pages 245-283, 01.
  3. Daher, Wassim & Mirman, Leonard J., 2007. "Market structure and insider trading," International Review of Economics & Finance, Elsevier, vol. 16(3), pages 306-331.
  4. Wang, Leonard F.S. & Wang, Ya-Chin & Ren, Shuang, 2009. "Stackelberg financial-leader in insider trading model," International Review of Economics & Finance, Elsevier, vol. 18(1), pages 123-131, January.
  5. Liu, Hong & Zhang, Zhixiang, 2011. "Insider trading with public and shared information," Economic Modelling, Elsevier, vol. 28(4), pages 1756-1762, July.
  6. James Dow, 2003. "Informed Trading, Investment, and Welfare," The Journal of Business, University of Chicago Press, vol. 76(3), pages 439-454, July.
  7. Karam, Fida & Daher, Wassim, 2013. "Insider trading in a two-tier real market structure model," The Quarterly Review of Economics and Finance, Elsevier, vol. 53(1), pages 44-52.
  8. Wassim Daher & Fida Karam & Leonard J. Mirman, 2011. "Insider trading with different market structures," Documents de travail du Centre d'Economie de la Sorbonne 11056, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  9. Creane, Anthony, 1994. "Experimentation with Heteroskedastic Noise," Economic Theory, Springer, vol. 4(2), pages 275-86, March.
  10. Ludovic Julien, 2011. "A note on Stackelberg competition," Journal of Economics, Springer, vol. 103(2), pages 171-187, June.
  11. Hayne E. Leland., 1990. "Insider Trading: Should It Be Prohibited?," Research Program in Finance Working Papers RPF-195, University of California at Berkeley.
  12. Manove, Michael, 1989. "The Harm from Insider Trading and Informed Speculation," The Quarterly Journal of Economics, MIT Press, vol. 104(4), pages 823-45, November.
  13. Jain, Neelam & Mirman, Leonard J., 1999. "Insider trading with correlated signals," Economics Letters, Elsevier, vol. 65(1), pages 105-113, October.
  14. Tighe, Carla & Michener, Ron, 1994. "The Political Economy of Insider-Trading Laws," American Economic Review, American Economic Association, vol. 84(2), pages 164-68, May.
  15. Jain, Neelam & Mirman, Leonard J., 2002. "Effects of insider trading under different market structures," The Quarterly Review of Economics and Finance, Elsevier, vol. 42(1), pages 19-39.
  16. Daher, Wassim & Mirman, Leonard J., 2006. "Cournot duopoly and insider trading with two insiders," The Quarterly Review of Economics and Finance, Elsevier, vol. 46(4), pages 530-551, September.
  17. Cheng, Louis T.W. & Davidson III, Wallace N. & Leung, T.Y., 2011. "Insider trading returns and dividend signals," International Review of Economics & Finance, Elsevier, vol. 20(3), pages 421-429, June.
  18. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November.
  19. Leonard J. Mirman & Neelam Jain, 2000. "Real and financial effects of insider trading with correlated signals," Economic Theory, Springer, vol. 16(2), pages 333-353.
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