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Information Sales and Insider Trading

Author

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  • Cespa, Giovanni

Abstract

Fundamental information resembles in many respects a durable good. Hence, the effects of its incorporation into stock prices depend on who is the agent controlling its flow. Similarly to a durable goods monopolist, a monopolistic analyst selling information intertemporally competes against themself. This forces them to partially relinquish control over the information flow to traders. Conversely, an insider solves the intertemporal competition problem through vertical integration, thus exerting a tighter control over the flow of information. Comparing market patterns I show that a dynamic market where information is provided by an analyst is thicker and more informative than one where an insider trades.

Suggested Citation

  • Cespa, Giovanni, 2004. "Information Sales and Insider Trading," CEPR Discussion Papers 4667, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:4667
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    Citations

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    Cited by:

    1. Jhinyoung Shin & Rajdeep Singh, 2010. "Corporate Disclosures: Strategic Donation of Information-super-," International Review of Finance, International Review of Finance Ltd., vol. 10(3), pages 313-337.
    2. Cespa, Giovanni & Foucault, Thierry, 2008. "Insiders-outsiders, transparency and the value of the ticker," CFS Working Paper Series 2008/39, Center for Financial Studies (CFS).
    3. Dugast, Jérôme & Foucault, Thierry, 2016. "Data Abundance and Asset Price Informativeness," CEPR Discussion Papers 11190, C.E.P.R. Discussion Papers.

    More about this item

    Keywords

    analysts; durable goods monopolist; information sales; insider trading;

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies

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