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Information Sales and Strategic Trading

Author

Listed:
  • Diego Garcia
  • Francesco Sangiorgi

Abstract

We study information sales in financial markets with strategic risk-averse traders. Our main result establishes that the optimal selling mechanism is one of the following two: (i) sell to as many agents as possible very imprecise information; (ii) sell to a single agent a signal as precise as possible. As noise trading per unit of risk-tolerance becomes large, the newsletters or rumors associated with (i) dominate the exclusivity contract in (ii). The optimal information sales contracts share similar properties in market-orders and limit-orders markets, while models in which competitive behavior is assumed yield qualitatively different equilibria. The endogeneity of the information allocation implies a ranking reversal of the informational efficiency of prices across markets and models. Equilibrium prices become more informative in market-orders than in limit-orders markets, and the model with imperfect competition yields more informative prices than its competitive counterpart. These results are driven by the seller of information offering more precise signals when the externality in the valuation of information is relatively less intense.

Suggested Citation

  • Diego Garcia & Francesco Sangiorgi, 2007. "Information Sales and Strategic Trading," Carlo Alberto Notebooks 45, Collegio Carlo Alberto.
    • Handle: RePEc:cca:wpaper:45
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    Cited by:

    1. Zhou, Deqing & Wang, Wenjie, 2020. "Insider, outsider and information heterogeneity," The North American Journal of Economics and Finance, Elsevier, vol. 53(C).
    2. Amin, Shehryar & Tédongap, Roméo, 2023. "The changing landscape of treasury auctions," Journal of Banking & Finance, Elsevier, vol. 148(C).
    3. Kovalenkov, Alexander & Vives, Xavier, 2014. "Competitive rational expectations equilibria without apology," Journal of Economic Theory, Elsevier, vol. 149(C), pages 211-235.
    4. Dirk Bergemann & Alessandro Bonatti, 2015. "Selling Cookies," American Economic Journal: Microeconomics, American Economic Association, vol. 7(3), pages 259-294, August.
    5. Briana Chang & Harrison Hong, 2017. "Assignment of Stock Market Coverage," NBER Working Papers 23115, National Bureau of Economic Research, Inc.
    6. Bing Han & Liyan Yang, 2013. "Social Networks, Information Acquisition, and Asset Prices," Management Science, INFORMS, vol. 59(6), pages 1444-1457, June.
    7. Jhinyoung Shin & Rajdeep Singh, 2010. "Corporate Disclosures: Strategic Donation of Information," International Review of Finance, International Review of Finance Ltd., vol. 10(3), pages 313-337, September.
    8. Gao, Meng & Huang, Jiekun, 2016. "Capitalizing on Capitol Hill: Informed trading by hedge fund managers," Journal of Financial Economics, Elsevier, vol. 121(3), pages 521-545.
    9. 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.
    10. 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.
    11. Shiyang Huang & Yan Xiong & Liyan Yang, 2022. "Skill Acquisition and Data Sales," Management Science, INFORMS, vol. 68(8), pages 6116-6144, August.
    12. Briana Chang & Martin Szydlowski, 2020. "The Market for Conflicted Advice," Journal of Finance, American Finance Association, vol. 75(2), pages 867-903, April.
    13. Chou, Hsin-I & Tian, Gloria Y. & Yin, Xiangkang, 2015. "Takeover rumors: Returns and pricing of rumored targets," International Review of Financial Analysis, Elsevier, vol. 41(C), pages 13-27.
    14. Lou, Youcheng & Rahi, Rohit, 2023. "Information, market power and welfare," LSE Research Online Documents on Economics 120479, London School of Economics and Political Science, LSE Library.
    15. Basu, Kaushik & Sun, Haokun, 2022. "The power and influence of rating agencies with insights into their misuse," Economic Modelling, Elsevier, vol. 109(C).
    16. Yang, Ann Shawing, 2020. "Misinformation corrections of corporate news: Corporate clarification announcements," Pacific-Basin Finance Journal, Elsevier, vol. 61(C).
    17. Manela, Asaf, 2014. "The value of diffusing information," Journal of Financial Economics, Elsevier, vol. 111(1), pages 181-199.
    18. Raffi Indjejikian & Hai Lu & Liyan Yang, 2014. "Rational Information Leakage," Management Science, INFORMS, vol. 60(11), pages 2762-2775, November.
    19. Xiong Xiong & Zhang Jin & Feng Xu & Jin Xi, 2016. "Review on Financial Innovations in Big Data Era," Journal of Systems Science and Information, De Gruyter, vol. 4(6), pages 489-504, December.

    More about this item

    Keywords

    markets for information; imperfect competition; share auctions.;
    All these keywords.

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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