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Collective Reputation and Market Structure: Regulating the Quality vs Quantity Trade-of

  • Pierre Fleckinger

    (CECO - Laboratoire d'econometrie de l'école polytechnique - CNRS : UMR7657 - Polytechnique - X)

Les marchés de biens d'expérience ont souvent un fonctionnement intermédiaire entre l'échec de marché et la construction de réputations individuelles. Ce papier explore la situation dans laquelle les consommateurs connaissent la qualité moyenne proposée par un ensemble de producteurs, mais pas la qualité d'un produit donné. La première question est de comprendre comment un tel signal agrégé sur la qualité structure la concurrence quand les variables stratégiques des firmes sont la quantité et la qualité. En particulier, le surplus social à l'équilibre est une fonction convexe du nombre de firmes du fait des quantités croissantes mais de la qualité décroissante. Une deuxième question est celle de la régulation. Il est possible à l'aide d'instruments de régulation de réduire les quantités produites pour obtenir une qualité supérieure. Parmi les politiques utilisant un instrument, la régulation de l'entrée et la régulation en quantité sont plus efficaces que les outils basés sur le contrôle des prix. Ces résultats donnent des indications pour la régulation par les professionnels sur certains marchés de service et les syndicats de producteurs sur les marchés agricoles.

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Paper provided by HAL in its series Working Papers with number hal-00243080.

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Date of creation: 2007
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Handle: RePEc:hal:wpaper:hal-00243080
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