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Concentrations horizontales et puissance d'achat

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  • Marie-Astrid Ravon
  • Lucie Muniesa
  • Claire Chambolle

Abstract

[eng] This article analyzes the impact of mergers between retailers in a bilateral-oligopoly situation, when producers and retailers are in a two-on-two negotiation over a unit price in the intermediate market and when retailers are competing over quantity. We show that (i) a reduction in inter-brand competition reduces the individual profitability of an inter-retailer merger ; (ii) the formation of a central purchasing entity has negative effects on retailers and consumers alike. [fre] Cet article analyse l’impact des fusions entre distributeurs dans le cadre d’un oligopole bilatéral, lorsque producteurs et distributeurs négocient deux à deux un prix unitaire sur le marché intermédiaire et lorsque les distributeurs se font concurrence en quantité. Nous montrons que : (i) une réduction de la concurrence inter-marques réduit la profitabilité individuelle d’une fusion entre distributeurs ; (ii) la constitution d’une centrale d’achat est néfaste aussi bien pour les distributeurs que pour les consommateurs.

Suggested Citation

  • Marie-Astrid Ravon & Lucie Muniesa & Claire Chambolle, 2007. "Concentrations horizontales et puissance d'achat," Économie et Prévision, Programme National Persée, vol. 178(2), pages 79-92.
    • Handle: RePEc:prs:ecoprv:ecop_0249-4744_2007_num_178_2_7643
    DOI: 10.3406/ecop.2007.7643
    Note: DOI:10.3406/ecop.2007.7643
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    Cited by:

    1. Marie-Laure Allain & Rémi Avignon & Claire Chambolle & Hugo Molina, 2022. "Buying groups formation: what effects on competition in the retail industry?," Post-Print halshs-03693440, HAL.
    2. Leonardo Monteiro Monastério & Mateus Signorini, 2008. "As condições de vida dos gaúchos entre 1889-1920: uma análise antropométrica," Anais do XXXVI Encontro Nacional de Economia [Proceedings of the 36th Brazilian Economics Meeting] 200807202137560, ANPEC - Associação Nacional dos Centros de Pós-Graduação em Economia [Brazilian Association of Graduate Programs in Economics].
    3. Macinko, James & de Fátima Marinho de Souza, Maria & Guanais, Frederico C. & da Silva Simões, Celso Cardoso, 2007. "Going to scale with community-based primary care: An analysis of the family health program and infant mortality in Brazil, 1999-2004," Social Science & Medicine, Elsevier, vol. 65(10), pages 2070-2080, November.

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