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Apprentissage social et diffusion de l'innovation : réseaux critiques et intermédiarité

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  • Jean-Benoît Zimmermann
  • Frédéric Deroïan
  • Alexandre Steyer

Abstract

[fre] Le rôle des réseaux sociaux dans la diffusion de l'innovation demeure une question stratégique. Dans des travaux antérieurs, nous avons introduit un apprentissage relationnel, de type hebbien, qui conduit à un état critique, dans lequel certains agents acquièrent des positions, purement structurelles, de leaders d'opinion. Dans cet article, nous montrons que l'auto-organisation d'un réseau d'influence, par l'effet d'un apprentissage social, ne constitue pas un phénomène monotone, aussi bien du point de vue des caractéristiques structurelles du réseau que de celui de ses performances en diffusion. Ceci nécessite, pour être analysé, de recourir à la notion d'intermédiarité qui est inhérente au concept de réseau. Une analyse relative au rôle des "liens faibles" dans les différents régimes de diffusion devrait alors permettre d'offrir un éclairage nouveau sur cette dynamique d'évolution. [eng] The role of social networks in innovation diffusion remains a strategic question. In former works, we have introduced a relational learning, based on hebbian rule, that leads to a critical state, in which few agents reach structural positions of opinion leaders. In this paper, we show that the self-organization of an influence network, through social learning, is not a monotonie process, from the point of view of structural characteristics as well as of its diffusion performances. The notion of intermediarity, which derives directly from the concept of network, appears necessary to decrypt this evolution. By introducing the role of "weak ties" in the diverse diffusion regimes it is then possible to bring a new understan-ding of the phenomenon.

Suggested Citation

  • Jean-Benoît Zimmermann & Frédéric Deroïan & Alexandre Steyer, 2003. "Apprentissage social et diffusion de l'innovation : réseaux critiques et intermédiarité," Revue d'Économie Industrielle, Programme National Persée, vol. 103(1), pages 71-89.
  • Handle: RePEc:prs:recind:rei_0154-3229_2003_num_103_1_3109
    DOI: 10.3406/rei.2003.3109
    Note: DOI:10.3406/rei.2003.3109
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    1. repec:dau:papers:123456789/7616 is not listed on IDEAS
    2. Martine Gadille & Tremblay Diane-Gabrielle & Antoine Vion, 2013. "Territorialized Meta-Organization, the Engine of Collective Learning [La méta-organisation territorialisée, moteur d’apprentissages collectifs]," Post-Print hal-02922186, HAL.
    3. Maria Mercanti-Guérin, 2010. "Analyse Des Reseaux Sociaux Et Communautes En Ligne : Quelles Applications En Marketing ?," Post-Print hal-02054414, HAL.

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