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Forums de consommation sur Internet. Un modèle évolutionniste


  • Nicolas Curien
  • Emmanuelle Fauchart
  • Gilbert Laffond
  • Jean Lainé
  • Jacques Lesourne
  • François Moreau


The purpose of the model is to analyse the genesis and evolution of consumption oriented chat rooms in the Web space. We study an endogeneous consumption dynamics in which individuals make their buying decisions on the basis of a threefold information: their own consumption past experience (private information); an index of best sales (public information); advices that are available on evolutive Internet chat rooms (collective information). We discuss the properties of such a system as regards auto-organization: under which conditions chat rooms do they allow individual experiences to converge and aggregate into a genuine common knowledge leading to the emergence of an auto-organized pattern of consumption? Classification JEL : D1, D3, D7

Suggested Citation

  • Nicolas Curien & Emmanuelle Fauchart & Gilbert Laffond & Jean Lainé & Jacques Lesourne & François Moreau, 2001. "Forums de consommation sur Internet. Un modèle évolutionniste," Revue économique, Presses de Sciences-Po, vol. 52(7), pages 119-135.
  • Handle: RePEc:cai:recosp:reco_527_0119

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    References listed on IDEAS

    1. R. Aversi & G. Dosi & G. Fagiolo & M. Meacci & C. Olivetti, 1997. "Demand Dynamics With Socially Evolving Preferences," Working Papers ir97081, International Institute for Applied Systems Analysis.
    2. 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.
    3. Cowan, Robin, 1991. "Tortoises and Hares: Choice among Technologies of Unknown Merit," Economic Journal, Royal Economic Society, vol. 101(407), pages 801-814, July.
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    Cited by:

    1. Michel Gensollen, 2001. "Internet. Marché électronique ou réseaux commerciaux ?," Revue économique, Presses de Sciences-Po, vol. 52(7), pages 137-161.

    More about this item

    JEL classification:

    • D1 - Microeconomics - - Household Behavior
    • D3 - Microeconomics - - Distribution
    • D7 - Microeconomics - - Analysis of Collective Decision-Making


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