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Insider trading with public and shared information

Author

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  • Liu, Hong
  • Zhang, Zhixiang

Abstract

We study the impact of public information and shared information on traders' trading behavior in the context of Kyle's (1985) speculative market. We suppose that there are four types of traders in our model: one insider, M outsiders, liquidity traders, and market makers. We explicitly describe the unique linear Nash equilibrium and find that public information harms the insider but benefits the outsiders and noise traders. Also, the market is more efficient because of the existence of public information.

Suggested Citation

  • Liu, Hong & Zhang, Zhixiang, 2011. "Insider trading with public and shared information," Economic Modelling, Elsevier, vol. 28(4), pages 1756-1762, July.
  • Handle: RePEc:eee:ecmode:v:28:y:2011:i:4:p:1756-1762
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    References listed on IDEAS

    as
    1. Jean-Charles Rochet & Jean-Luc Vila, 1994. "Insider Trading without Normality," Review of Economic Studies, Oxford University Press, vol. 61(1), pages 131-152.
    2. Leonard J. Mirman & Neelam Jain, 2000. "Real and financial effects of insider trading with correlated signals," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 16(2), pages 333-353.
    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. Luo, Shunlong, 2001. "The impact of public information on insider trading," Economics Letters, Elsevier, vol. 70(1), pages 59-68, January.
    5. 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.
    6. Decamps, Jean-Paul & Lovo, Stefano, 2006. "Informational cascades with endogenous prices: The role of risk aversion," Journal of Mathematical Economics, Elsevier, vol. 42(1), pages 109-120, February.
    7. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-1335, November.
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    Citations

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    Cited by:

    1. Grégoire, Philippe & Huang, Hui, 2012. "Information disclosure with leakages," Economic Modelling, Elsevier, vol. 29(5), pages 2005-2010.
    2. repec:hal:journl:halshs-00676502 is not listed on IDEAS
    3. Liu, Hong & Du, Sarina, 2016. "Can an overconfident insider coexist with a representativeness heuristic insider?," Economic Modelling, Elsevier, vol. 54(C), pages 170-177.
    4. Wang, Kun Tracy & Wang, Wanbin Walter, 2017. "Competition in the stock market with asymmetric information," Economic Modelling, Elsevier, vol. 61(C), pages 40-49.
    5. Lyudmila A. Glik & Oleg L. Kritski, 2014. "Finding informed traders in futures and their inderlying assets in intraday trading," Papers 1402.6583, arXiv.org.
    6. Zhou, Deqing, 2015. "The virtue of overconfidence when you are not perfectly informed," Economic Modelling, Elsevier, vol. 47(C), pages 105-110.
    7. Wassim Daher & Harun Aydilek & Fida Karam & Asiye Aydilek, 2014. "Insider trading with product differentiation," Journal of Economics, Springer, vol. 111(2), pages 173-201, March.
    8. Daher, Wassim & Karam, Fida & Mirman, Leonard J., 2012. "Insider trading with different market structures," International Review of Economics & Finance, Elsevier, vol. 24(C), pages 143-154.
    9. Gong, Fuzhou & Liu, Hong, 2012. "Inside trading, public disclosure and imperfect competition," International Review of Economics & Finance, Elsevier, vol. 24(C), pages 200-223.
    10. Du, Sarina & Liu, Hong, 2015. "The overconfident trader does not always overreact to his information," Economic Modelling, Elsevier, vol. 46(C), pages 384-390.
    11. repec:cuf:journl:y:2017:v:18:i:1:liu:wu:yang is not listed on IDEAS
    12. Zhang, Tai-Wei & Chueh, Horace & Hsu, Yao Hua, 2015. "Day-of-the-week trading patterns of informed and uninformed traders in Taiwan's foreign exchange market," Economic Modelling, Elsevier, vol. 47(C), pages 271-279.

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