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Concentration horizontale et relations verticales

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Author Info
Marie-Laure Allain (LEEP - Laboratoire d'econometrie de l'école polytechnique - CNRS : UMR7657 - Polytechnique - X)
Saïd Souam (CREST - Centre de Recherche en Économie et Statistique - INSEE - École Nationale de la Statistique et de l'Administration Économique)

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Abstract

Cet article explore les effets des concentrations horizontales dans des marchés reliés verticalement. Dans un modèle de concurrence imparfaite à deux niveaux, où les transactions verticales se font par l'intermédiaire d'un marché, on montre que des fusions horizontales engendrant des effets de taille sont, toutes choses égales par ailleurs, plus profitables en aval qu'en amont. De plus, la concentration dans un secteur réduit les incitations à la fusion dans l'autre secteur. Ces résultats sont confirmés par l'analyse d'un jeu de fusion permettant d'endogénéiser le processus de concentration.

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Paper provided by HAL in its series Working Papers with number hal-00242914_v1.

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Date of creation: 2004
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Handle: RePEc:hal:wpaper:hal-00242914_v1

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Related research
Keywords: Relations verticales; Concentrations; Politique de la concurrence;

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Ramón Faulí-Oller, 1997. "-On Merger Profitability In A Cournot Setting," Working Papers. Serie AD 1997-03, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie). [Downloadable!]
  2. McAfee, R Preston & Williams, Michael A, 1992. "Horizontal Mergers and Antitrust Policy," Journal of Industrial Economics, Blackwell Publishing, vol. 40(2), pages 181-87, June. [Downloadable!] (restricted)
  3. Henrick Horn & Asher Wolinsky, 1988. "Bilateral Monopolies and Incentives for Merger," RAND Journal of Economics, The RAND Corporation, vol. 19(3), pages 408-419, Autumn. [Downloadable!] (restricted)
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  4. Géarard Gaudet & Ngo Long, 1996. "Vertical Integration, Foreclosure, and profits in the Presence of Double Marginalization," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 5(3), pages 409-432, 09. [Downloadable!] (restricted)
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  5. Salant, Stephen W & Switzer, Sheldon & Reynolds, Robert J, 1983. "Losses from Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, MIT Press, vol. 98(2), pages 185-99, May. [Downloadable!] (restricted)
  6. Bonaccorsi, Andrea & Giuri, Paola, 2001. "The long-term evolution of vertically-related industries," International Journal of Industrial Organization, Elsevier, vol. 19(7), pages 1053-1083, July. [Downloadable!] (restricted)
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  7. Inderst, Roman & Wey, Christian, 2003. " Bargaining, Mergers, and Technology Choice in Bilaterally Oligopolistic Industries," RAND Journal of Economics, The RAND Corporation, vol. 34(1), pages 1-19, Spring.
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  8. Gaudet, Gerard & Salant, Stephen W., 1992. "Mergers of producers of perfect complements competing in price," Economics Letters, Elsevier, vol. 39(3), pages 359-364, July. [Downloadable!] (restricted)
  9. Perry, Martin K & Porter, Robert H, 1985. "Oligopoly and the Incentive for Horizontal Merger," American Economic Review, American Economic Association, vol. 75(1), pages 219-27, March. [Downloadable!] (restricted)
  10. Farrell, Joseph & Shapiro, Carl, 1990. "Horizontal Mergers: An Equilibrium Analysis," American Economic Review, American Economic Association, vol. 80(1), pages 107-26, March. [Downloadable!] (restricted)
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  11. Kamien, Morton I & Zang, Israel, 1990. "The Limits of Monopolization through Acquisition," The Quarterly Journal of Economics, MIT Press, vol. 105(2), pages 465-99, May. [Downloadable!] (restricted)
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  12. Salinger, Michael A, 1988. "Vertical Mergers and Market Foreclosure," The Quarterly Journal of Economics, MIT Press, vol. 103(2), pages 345-56, May. [Downloadable!] (restricted)
  13. Dobson, Paul W & Waterson, Michael, 1997. "Countervailing Power and Consumer Prices," Economic Journal, Royal Economic Society, vol. 107(441), pages 418-30, March. [Downloadable!] (restricted)
  14. Raymond Deneckere & Carl Davidson, 1985. "Incentives to Form Coalitions with Bertrand Competition," RAND Journal of Economics, The RAND Corporation, vol. 16(4), pages 473-486, Winter. [Downloadable!] (restricted)
  15. Fumagalli, Chiara & Motta, Massimo, 2001. "Upstream mergers, downstream mergers, and secret vertical contracts," Research in Economics, Elsevier, vol. 55(3), pages 275-289, September. [Downloadable!] (restricted)
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  16. Fauli-Oller, Ramon, 1997. "On merger profitability in a Cournot setting," Economics Letters, Elsevier, vol. 54(1), pages 75-79, January. [Downloadable!] (restricted)
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  1. Canton, Joan & David, Maia & Sinclair-Desgagne, Bernard, 2008. "Environmental regulation and horizontal mergers in the eco-industry," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44456, European Association of Agricultural Economists. [Downloadable!]
    Other versions:
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