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Sharing information in Web communities

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  • Demange, Gabrielle

Abstract

The paper investigates the formation of information sharing communities. The environment is characterized by the anonymity of the contributors and users, as on the Web. Furthermore information exchange is limited to simple recommendations. When preferences differ, it is argued that a community may be worth forming because it facilitates the interpretation and understanding of the posted information. The admission rule within a community, the quality of information, and the stability of multiple communities are examined.

Suggested Citation

  • Demange, Gabrielle, 2010. "Sharing information in Web communities," Games and Economic Behavior, Elsevier, vol. 68(2), pages 580-601, March.
  • Handle: RePEc:eee:gamebe:v:68:y:2010:i:2:p:580-601
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    References listed on IDEAS

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    2. Peter M. DeMarzo & Dimitri Vayanos & Jeffrey Zwiebel, 2003. "Persuasion Bias, Social Influence, and Unidimensional Opinions," The Quarterly Journal of Economics, Oxford University Press, vol. 118(3), pages 909-968.
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    4. Anthony Downs, 1957. "An Economic Theory of Political Action in a Democracy," Journal of Political Economy, University of Chicago Press, vol. 65, pages 135-135.
    5. Gabrielle Demange, 2004. "Group formation: The interaction of increasing returns and preferences' diversity," DELTA Working Papers 2004-30, DELTA (Ecole normale supérieure).
    6. Bramoulle, Yann & Kranton, Rachel, 2007. "Public goods in networks," Journal of Economic Theory, Elsevier, vol. 135(1), pages 478-494, July.
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    Cited by:

    1. Angelo Antoci & Fabio Sabatini & Mauro Sodini, 2014. "Bowling alone but tweeting together: the evolution of human interaction in the social networking era," Quality & Quantity: International Journal of Methodology, Springer, vol. 48(4), pages 1911-1927, July.
    2. Gill, David & Sgroi, Daniel, 2012. "The optimal choice of pre-launch reviewer," Journal of Economic Theory, Elsevier, vol. 147(3), pages 1247-1260.
    3. Daniel Sgroi & Andrew J. Oswald, 2013. "How Should Peer‐review Panels Behave?," Economic Journal, Royal Economic Society, vol. 0, pages 255-278, August.
    4. Gill, David & Sgroi, Daniel, 2008. "The Optimal Choice of Pre-launch Reviewer : How Best to Transmit Information using Tests and Conditional Pricing," The Warwick Economics Research Paper Series (TWERPS) 877, University of Warwick, Department of Economics.

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