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Information Sales and Insider Trading with Long-lived Information

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  • Giovanni Cespa

    (Queen Mary, University of London)

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. Like a durable goods monopolist, a monopolistic analyst selling information intertemporally competes against herself. This forces her to partially relinquish control over the information flow to traders. Conversely, an insider solves the intertemporal competition problem through vertical integration, thus exerting tighter control over the information flow. 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

  • Giovanni Cespa, 2007. "Information Sales and Insider Trading with Long-lived Information," Working Papers 613, Queen Mary University of London, School of Economics and Finance.
    • Handle: RePEc:qmw:qmwecw:613
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    3. Foucault, Thierry & Cespa, Giovanni, 2008. "Insiders-outsiders, transparency and the value of the ticker," HEC Research Papers Series 892, HEC Paris.
    4. Flavio Pino, 2022. "The microeconomics of data – a survey," Economia e Politica Industriale: Journal of Industrial and Business Economics, Springer;Associazione Amici di Economia e Politica Industriale, vol. 49(3), pages 635-665, September.
    5. Guo, Mng, 2023. "Dampening effect and market efficiency," Journal of Economic Dynamics and Control, Elsevier, vol. 148(C).
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    7. Zheng, Liping & Xu, Hedong & Tian, Cunzhi & Fan, Suohai, 2021. "Evolutionary dynamics of information in the market: Transmission and trust," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 581(C).
    8. Raffi Indjejikian & Hai Lu & Liyan Yang, 2014. "Rational Information Leakage," Management Science, INFORMS, vol. 60(11), pages 2762-2775, November.
    9. Shiyang Huang & Bart Zhou Yueshen, 2021. "Speed Acquisition," Management Science, INFORMS, vol. 67(6), pages 3492-3518, June.
    10. Liu, Xia & Huang, Wenli & Liu, Bo & Zhang, Xiaohong, 2019. "Strategic leakage of private information," The North American Journal of Economics and Finance, Elsevier, vol. 47(C), pages 637-644.
    11. Dugast, Jérôme & Foucault, Thierry, 2018. "Data abundance and asset price informativeness," Journal of Financial Economics, Elsevier, vol. 130(2), pages 367-391.
    12. Giovanni Cespa & Thierry Foucault, 2014. "Sale of Price Information by Exchanges: Does It Promote Price Discovery?," Management Science, INFORMS, vol. 60(1), pages 148-165, January.
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    14. García, Diego & Vanden, Joel M., 2009. "Information acquisition and mutual funds," Journal of Economic Theory, Elsevier, vol. 144(5), pages 1965-1995, September.
    15. Xu, Hedong & Tian, Cunzhi & Xiao, Xinrong & Fan, Suohai, 2018. "Evolutionary investors’ power-based game on networks," Applied Mathematics and Computation, Elsevier, vol. 330(C), pages 125-133.
    16. Basu, Kaushik & Sun, Haokun, 2022. "The power and influence of rating agencies with insights into their misuse," Economic Modelling, Elsevier, vol. 109(C).

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    More about this item

    Keywords

    Information sales; Analysts; Insider trading; Durable goods monopolist;
    All these keywords.

    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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