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Horizontal mergers, entry, and efficiency defences

Author

Listed:
  • Spector, David

Abstract

This paper addresses the effect of horizontal mergers on prices. It is shown that if firms compete in quantities and marginal costs are nondecreasing, any profitable merger failing to generate technological synergies must harm consumers through higher prices, irrespective of entry conditions in the industry. However this result does not hold if products are differentiated and firms compete in prices. The implications for merger policy are discussed.

Suggested Citation

  • Spector, David, 2002. "Horizontal mergers, entry, and efficiency defences," CEPREMAP Working Papers (Couverture Orange) 0206, CEPREMAP.
    • Handle: RePEc:cpm:cepmap:0206
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    File URL: http://www.cepremap.fr/depot/couv_orange/co0206.pdf
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    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices

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