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Horizontal concentration and vertical relationships / Concentration horizontale et relations verticales

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  • Marie-Laure Allain
  • Saïd Souam

Abstract

This paper studies horizontal mergers in vertically related markets. In a two-level Cournot model, with an intermediate and a final market, we show that downstream mergers inducing size effects are, ceteris paribus, more profitable than upstream ones. Moreover, a merger at one level reduces the incentives to merge at the other level. Endogenizing the firms' decisions to merge by considering a merger game supports the previous results.

Suggested Citation

  • Marie-Laure Allain & Saïd Souam, 2006. "Horizontal concentration and vertical relationships / Concentration horizontale et relations verticales," Annals of Economics and Statistics, GENES, issue 82, pages 103-127.
    • Handle: RePEc:adr:anecst:y:2006:i:82:p:103-127
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    File URL: http://www.jstor.org/stable/20079153
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