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Quelle modelisation pour la strategie des firmes integrees sur le marche intermediaire?

Author

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  • Avenel, E.

Abstract

Dans les modeles d'oligopoles successifs, les firmes integrees se trouvent dans une situation particuliere, puisqu'elles realisent leurs profits a la fois sur le marche intermediaire et sur le marche final. En tant que firmes amont, en particulier, elles ont une incitation a offrir moins de bien intermediaire que leurs concurrents independants, a tel point que leur output optimal peut etre negatif. Face a ce phenomene, deux attitudes sont possibles pour le modelisateur, selon qu'il impose ou pas une contrainte de positivite de l'output. En fait, aucun de ces deux choix n'est parfaitement satisfaisant, car l'un exclut les achats strategiques et l'autre exclut la forclusion. Nous proposons ici une modilisation alternative rendant compte de ces deux strategies et fondee sur la possibilite pour les firmes integrees de s'engager sur la forclusion. Ce modele permet ainsi d'etudier le choix des firmes entre ces deux strategies.

Suggested Citation

  • Avenel, E., 1998. "Quelle modelisation pour la strategie des firmes integrees sur le marche intermediaire?," Papiers d'Economie Mathématique et Applications 98.24, Université Panthéon-Sorbonne (Paris 1).
  • Handle: RePEc:fth:pariem:98.24
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    More about this item

    Keywords

    MONOPOLES ; STRUCTURES DES MARCHES ; ORGANISATION DE L'ENTREPRISE;

    JEL classification:

    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure

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