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Conversations among Competitors

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  • Jeremy C. Stein

Abstract

I develop a model of bilateral conversations in which players honestly exchange ideas with their competitors. The key to incentive compatibility is complementarity in the information structure: a player can generate a new insight only if he has access to his counterpart’s previous thoughts on a topic. I then examine a social network in which A has a conversation with B, then B has a conversation with C, and so on. Relatively underdeveloped ideas can travel long distances over the network. More valuable ideas, by contrast, tend to remain localized among small groups of agents. (JEL D83)

Suggested Citation

  • Jeremy C. Stein, 2008. "Conversations among Competitors," American Economic Review, American Economic Association, vol. 98(5), pages 2150-2162, December.
  • Handle: RePEc:aea:aecrev:v:98:y:2008:i:5:p:2150-62 Note: DOI: 10.1257/aer.98.5.2150
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    References listed on IDEAS

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    1. Lauren Cohen & Andrea Frazzini & Christopher Malloy, 2008. "The Small World of Investing: Board Connections and Mutual Fund Returns," Journal of Political Economy, University of Chicago Press, vol. 116(5), pages 951-979, October.
    2. Harrison Hong & Jeffrey D. Kubik & Jeremy C. Stein, 2005. "Thy Neighbor's Portfolio: Word-of-Mouth Effects in the Holdings and Trades of Money Managers," Journal of Finance, American Finance Association, vol. 60(6), pages 2801-2824, December.
    3. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth through Creative Destruction," Econometrica, Econometric Society, vol. 60(2), pages 323-351, March.
    4. Paolo Colla & Antonio Mele, 2010. "Information Linkages and Correlated Trading," Review of Financial Studies, Society for Financial Studies, vol. 23(1), pages 203-246, January.
    5. Glenn Ellison & Drew Fudenberg, 1995. "Word-of-Mouth Communication and Social Learning," The Quarterly Journal of Economics, Oxford University Press, vol. 110(1), pages 93-125.
    6. Hellmann, Thomas F & Perotti, Enrico C, 2006. "The Circulation of Ideas: Firms Versus Markets," CEPR Discussion Papers 5469, C.E.P.R. Discussion Papers.
    7. Mathias Dewatripont & Jean Tirole, 2005. "Modes of Communication," Journal of Political Economy, University of Chicago Press, vol. 113(6), pages 1217-1238, December.
    8. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-1451, November.
    9. Krishna, Vijay & Morgan, John, 2004. "The art of conversation: eliciting information from experts through multi-stage communication," Journal of Economic Theory, Elsevier, vol. 117(2), pages 147-179, August.
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    Citations

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    Cited by:

    1. Paolo Colla & Antonio Mele, 2010. "Information Linkages and Correlated Trading," Review of Financial Studies, Society for Financial Studies, vol. 23(1), pages 203-246, January.
    2. Carolin Haeussler & Lin Jiang & Jerry Thursby & Marie C. Thursby, 2009. "Specific and General Information Sharing Among Academic Scientists," NBER Working Papers 15315, National Bureau of Economic Research, Inc.
    3. Thomas Hellmann & Enrico Perotti, 2011. "The Circulation of Ideas in Firms and Markets," Management Science, INFORMS, vol. 57(10), pages 1813-1826, October.
    4. Markus Kinateder, 2009. "Team Formation in a Network," Working Papers 2009.36, Fondazione Eni Enrico Mattei.
    5. Leung, Henry & Ton, Thai, 2015. "The impact of internet stock message boards on cross-sectional returns of small-capitalization stocks," Journal of Banking & Finance, Elsevier, vol. 55(C), pages 37-55.
    6. Bernhard Ganglmair & Emanuele Tarantino, 2012. "Patent Disclosure in Standard Setting," NBER Chapters,in: Standards, Patents and Innovations National Bureau of Economic Research, Inc.
    7. Cathline Augustiani & Lorenzo Casavecchia & Jack Gray, 2015. "Managerial Sharing, Mutual Fund Connections, and Performance," International Review of Finance, International Review of Finance Ltd., vol. 15(3), pages 427-455, September.
    8. Frederik König, 2014. "Reciprocal social influence on investment decisions: behavioral evidence from a group of mutual fund managers," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 28(3), pages 233-262, August.
    9. Haeussler, Carolin & Jiang, Lin & Thursby, Jerry & Thursby, Marie, 2014. "Specific and general information sharing among competing academic researchers," Research Policy, Elsevier, vol. 43(3), pages 465-475.
    10. Herrera, Helios & Reuben, Ernesto & Ting, Michael M., 2017. "Turf wars," Journal of Public Economics, Elsevier, vol. 152(C), pages 143-153.
    11. Pancs Romans, 2010. "Communication, Innovation, and Growth," The B.E. Journal of Macroeconomics, De Gruyter, vol. 10(1), pages 1-54, February.
    12. Emmanuel Petrakis & Nikolas Tsakas, 2016. "The effect of entry on R&D networks," University of Cyprus Working Papers in Economics 08-2016, University of Cyprus Department of Economics.
    13. Wioletta Dziuda & Ronen Gradwohl, 2015. "Achieving Cooperation under Privacy Concerns," American Economic Journal: Microeconomics, American Economic Association, vol. 7(3), pages 142-173, August.
    14. Cici, Gjergji & Jaspersen, Stefan & Kempf, Alexander, 2015. "Speed of information diffusion within fund families," CFR Working Papers 15-02 [rev.], University of Cologne, Centre for Financial Research (CFR).
    15. Michela Rancan, 2013. "The Value of Social Networks in Financial Markets," RSCAS Working Papers 2013/21, European University Institute.
    16. YOKOYAMA, Izumi & OBARA, Takuya, 2015. "Developing Trusting Relationships Through Communication," Discussion Papers 2015-03, Graduate School of Economics, Hitotsubashi University.
    17. Gupta-Mukherjee, Swasti, 2013. "When active fund managers deviate from their peers: Implications for fund performance," Journal of Banking & Finance, Elsevier, vol. 37(4), pages 1286-1305.
    18. Andrei, Daniel & Cujean, Julien, 2017. "Information percolation, momentum and reversal," Journal of Financial Economics, Elsevier, vol. 123(3), pages 617-645.
    19. Manela, Asaf, 2014. "The value of diffusing information," Journal of Financial Economics, Elsevier, vol. 111(1), pages 181-199.
    20. repec:eee:jfinec:v:125:y:2017:i:1:p:26-47 is not listed on IDEAS

    More about this item

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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