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Experimentation, Information sharing and Oligopoly Limit Pricing

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  • Bipasa Datta

Abstract

The paper examines incumbents’ incentives to share information in the presence of entry threat when incumbents face uncertainty about their cost functions. Similar to the experimentation and learning literature, firms in this model can learn more about their costs through output production which simultaneously produces information. I find that in the presence of entry threat, information sharing may not emerge as an equilibrium outcome although information sharing enables firms to actually deter entry through better coordination of strategies. The learning effect of information production plays a crucial role in determining firms’ incentives to share. Both the sharing and non-sharing equilibria are characterised by downward price distortions, whereas entry takes place with a positive probability only in a non-sharing equilibrium.

Suggested Citation

  • Bipasa Datta, "undated". "Experimentation, Information sharing and Oligopoly Limit Pricing," Discussion Papers 99/34, Department of Economics, University of York.
  • Handle: RePEc:yor:yorken:99/34
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    File URL: https://www.york.ac.uk/media/economics/documents/discussionpapers/1999/9934.pdf
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    References listed on IDEAS

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    1. Masahiro Okuno-Fujiwara & Andrew Postlewaite & Kotaro Suzumura, 1990. "Strategic Information Revelation," Review of Economic Studies, Oxford University Press, vol. 57(1), pages 25-47.
    2. Milgrom, Paul & Roberts, John, 1982. "Limit Pricing and Entry under Incomplete Information: An Equilibrium Analysis," Econometrica, Econometric Society, vol. 50(2), pages 443-459, March.
    3. Sanford J. Grossman & Richard E. Kihlstrom & Leonard J. Mirman, 1977. "A Bayesian Approach to the Production of Information and Learning By Doing," Review of Economic Studies, Oxford University Press, vol. 44(3), pages 533-547.
    4. Mirman Leonard J. & Samuelson Larry & Schlee Edward E., 1994. "Strategic Information Manipulation in Duopolies," Journal of Economic Theory, Elsevier, vol. 62(2), pages 363-384, April.
    5. Richard N. Clarke, 1983. "Collusion and the Incentives for Information Sharing," Bell Journal of Economics, The RAND Corporation, vol. 14(2), pages 383-394, Autumn.
    6. Vives, Xavier, 1984. "Duopoly information equilibrium: Cournot and bertrand," Journal of Economic Theory, Elsevier, vol. 34(1), pages 71-94, October.
    7. Schultz, Christian, 1999. "Limit pricing when incumbents have conflicting interests," International Journal of Industrial Organization, Elsevier, vol. 17(6), pages 801-825, August.
    8. Lode Li, 1985. "Cournot Oligopoly with Information Sharing," RAND Journal of Economics, The RAND Corporation, vol. 16(4), pages 521-536, Winter.
    9. Li, Lode & McKelvey, Richard D. & Page, Talbot, 1987. "Optimal research for cournot oligopolists," Journal of Economic Theory, Elsevier, vol. 42(1), pages 140-166, June.
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    12. Novshek, William & Thoman, Lynda, 1998. "Information disaggregation and incentives for non-collusive information sharing," Economics Letters, Elsevier, vol. 61(3), pages 327-332, December.
    13. Creane, Anthony, 1995. "Endogenous Learning, Learning by Doing and Information Sharing," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 36(4), pages 985-1002, November.
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    More about this item

    Keywords

    Information sharing; Bayesian learning; Entry threat; Cournot Competition.;

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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