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Information disclosure to Cournot duopolists

Author

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  • Eliaz, Kfir
  • Forges, Françoise

Abstract

We show that in a standard symmetric Cournot duopoly with unknown demand, the optimal information disclosure policy of an informed benevolent planner is to fully inform one of the duopolists and disclose no information to the other one. We discuss possible extensions of the result.

Suggested Citation

  • Eliaz, Kfir & Forges, Françoise, 2015. "Information disclosure to Cournot duopolists," Economics Letters, Elsevier, vol. 126(C), pages 167-170.
    • Handle: RePEc:eee:ecolet:v:126:y:2015:i:c:p:167-170
    DOI: 10.1016/j.econlet.2014.12.006
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    References listed on IDEAS

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    1. repec:hal:spmain:info:hdl:2441/4kpa2fek478tla1o86g6n9jb6v is not listed on IDEAS
    2. Dirk Bergemann & Stephen Morris, 2013. "Robust Predictions in Games With Incomplete Information," Econometrica, Econometric Society, vol. 81(4), pages 1251-1308, July.
    3. Jeanne Hagenbach & Frédéric Koessler & Eduardo Perez‐Richet, 2014. "Certifiable Pre‐Play Communication: Full Disclosure," Econometrica, Econometric Society, vol. 82(3), pages 1093-1131, May.
    4. Ilan Kremer & Yishay Mansour & Motty Perry, 2014. "Implementing the "Wisdom of the Crowd"," Journal of Political Economy, University of Chicago Press, vol. 122(5), pages 988-1012.
    5. Kfir Eliaz & Roberto Serrano, 2014. "Sending information to interactive receivers playing a generalized prisoners’ dilemma," International Journal of Game Theory, Springer;Game Theory Society, vol. 43(2), pages 245-267, May.
    6. Einy, Ezra & Haimanko, Ori & Moreno, Diego & Shitovitz, Benyamin, 2010. "On the existence of Bayesian Cournot equilibrium," Games and Economic Behavior, Elsevier, vol. 68(1), pages 77-94, January.
    7. repec:cwl:cwldpp:1821rrr is not listed on IDEAS
    8. Einy, E & Haimanko, O & Moreno, D & Sela, A & Shitovitz, B, 2013. "Tullock Contests with Asymmetric Information," Discussion Papers 2013-11, Graduate School of Economics, Hitotsubashi University.
    9. Paul R. Milgrom, 1981. "Good News and Bad News: Representation Theorems and Applications," Bell Journal of Economics, The RAND Corporation, vol. 12(2), pages 380-391, Autumn.
    10. Warneryd, Karl, 2003. "Information in conflicts," Journal of Economic Theory, Elsevier, vol. 110(1), pages 121-136, May.
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    Citations

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    Cited by:

    1. Frédéric Koessler & Marie Laclau & Tristan Tomala, 2022. "Interactive Information Design," Mathematics of Operations Research, INFORMS, vol. 47(1), pages 153-175, February.
    2. Tomala, Tristan & Koessler, Frederic & Laclau, Marie, 2018. "Interactive Information Design," HEC Research Papers Series 1260, HEC Paris, revised 02 May 2018.
    3. Yuki Amemiya & Akifumi Ishihara & Tomoya Nakamura, 2021. "Pre‐emptive production and market competitiveness in oligopoly with private information," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 30(2), pages 449-455, May.
    4. Ghosh, Gagan & Liu, Heng, 2020. "Voluntary information disclosure to Cournot oligopolists," Economics Letters, Elsevier, vol. 197(C).
    5. Colin von Negenborn, 2023. "The more the merrier? On the optimality of market size restrictions," Review of Economic Design, Springer;Society for Economic Design, vol. 27(3), pages 603-634, September.

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    More about this item

    Keywords

    Cournot duopoly; Information structure; Verifiable information;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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