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Inside trading, public disclosure and imperfect competition

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  • Gong, Fuzhou
  • Liu, Hong

Abstract

We present a multi-period trading model in the style of Kyle's (1985) inside trading model, by assuming that there are at least two insiders in the market with long-lived private information, under the requirement that each insider publicly disclose his stock trades after the fact. The influences of “public disclosure” and “competition among insiders” on the trading behaviors of insiders and the market are studied. Moreover, we give the exact speed of the revelation of the private information, and show that all information is revealed immediately and the market depth goes to infinity immediately as trading happens infinitely frequently.

Suggested Citation

  • Gong, Fuzhou & Liu, Hong, 2012. "Inside trading, public disclosure and imperfect competition," International Review of Economics & Finance, Elsevier, vol. 24(C), pages 200-223.
    • Handle: RePEc:eee:reveco:v:24:y:2012:i:c:p:200-223
    DOI: 10.1016/j.iref.2012.03.003
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    References listed on IDEAS

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    Cited by:

    1. Zhou, Deqing, 2013. "Irrational confidence, imperfect and long-lived information," International Review of Economics & Finance, Elsevier, vol. 27(C), pages 383-405.
    2. Du, Sarina & Liu, Hong, 2015. "The overconfident trader does not always overreact to his information," Economic Modelling, Elsevier, vol. 46(C), pages 384-390.
    3. Hong Liu & Jingyuan Wu & Qingshan Yang, 2017. "Inside Trading when the Market Deviates from the Semi-strong Efficient Condition," Annals of Economics and Finance, Society for AEF, vol. 18(1), pages 111-128, May.
    4. Liu, Hong & Chai, Shujuan, 2020. "Risk aversion, public disclosure, and partially informed outsiders," The North American Journal of Economics and Finance, Elsevier, vol. 54(C).
    5. Wang, Kun Tracy & Wang, Wanbin Walter, 2017. "Competition in the stock market with asymmetric information," Economic Modelling, Elsevier, vol. 61(C), pages 40-49.

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    More about this item

    Keywords

    Incomplete competition; Asymmetric information; Insider trading; Price discovery; Public disclosure;
    All these keywords.

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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