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Should alternative mergers be considered by antitrust authorities?


  • Duarte Brito

    () (Universidade Nova de Lisboa)


This paper illustrates that taking alternative mergers into consideration when analyzing the effects of a proposed merger may provide some information to the antitrust authorities. In particular, the use of revealed preference may allow the authorities to establish an expected upper limit on the efficiency gains obtained in a given merger that also increases the participants’ market power. Such limit can then be compared to the lower threshold necessary for merger approval. The policy implications of this result are discussed.

Suggested Citation

  • Duarte Brito, 2003. "Should alternative mergers be considered by antitrust authorities?," Working Papers 01, Portuguese Competition Authority.
  • Handle: RePEc:pca:wpaper:01

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    More about this item


    Mergers; acquisitions; revealed preference; synergies;

    JEL classification:

    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General


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