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Politique d’infrastructure et choix de localisation dans un modèle de signal

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  • Jean-Philippe TROPEANO

    (EUREQua, UMR CNRS-Université de Paris 1)

Abstract

L'agglomération spatiale des firmes est un phénomène largement débattu en économie géographique. Cet article propose une nouvelle explication à ce phénomène : les entreprises mettent en avant la localisation comme un moyen de signaler un bien nouveau. Accepter la concurrence en se localisant au plus près des entreprises existantes permet de montrer aux consommateurs la valeur du produit vendu. La polarisation géographique, et par là même une plus grande concurrence, sert de faire-valoir à une innovation. On montre que la firme innovante se localise dans la même région que la firme concurrente uniquement si le produit qu'elle propose est suffisamment innovant. Le critère de raffinement "K-undefeated" assure l'unicité de l'équilibre semi-séparateur. La polarisation de l'activité est uniquement im¬putable à l'asymétrie d'information. Cette forte polarisation doit inciter les autorités supra-régionales à privilégier plutôt les infrastructures de désen-clavement qui se traduisent par une forte baisse des coûts de transport. En effet, une faible baisse du coût de transport peut se traduire par une baisse du bien-être total.

Suggested Citation

  • Jean-Philippe TROPEANO, 2004. "Politique d’infrastructure et choix de localisation dans un modèle de signal," Discussion Papers (REL - Recherches Economiques de Louvain) 2003044, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  • Handle: RePEc:ctl:louvre:2003044
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    References listed on IDEAS

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    More about this item

    Keywords

    Infrastructure de transport; Signal; Localisation des activités;
    All these keywords.

    JEL classification:

    • R32 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location - - - Other Spatial Production and Pricing Analysis
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
    • F15 - International Economics - - Trade - - - Economic Integration

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