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A robust test for consumer welfare enhancing mergers among sellers of a homogeneous product

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  • Froeb, Luke M.
  • Werden, Gregory J.

Abstract

Antiturst enforcement agencies and courts use net effect on price as a touchstone for the legality of mergers. This paper derives a simple, and completely general, condition for implementing that standard when industry equilibrium is static Nash in qualities (Cournot).
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Suggested Citation

  • Froeb, Luke M. & Werden, Gregory J., 1998. "A robust test for consumer welfare enhancing mergers among sellers of a homogeneous product," Economics Letters, Elsevier, vol. 58(3), pages 367-369, March.
    • Handle: RePEc:eee:ecolet:v:58:y:1998:i:3:p:367-369
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    References listed on IDEAS

    as
    1. Farrell, Joseph & Shapiro, Carl, 1990. "Horizontal Mergers: An Equilibrium Analysis," American Economic Review, American Economic Association, vol. 80(1), pages 107-126, March.
    2. Werden, Gregory J, 1996. "A Robust Test for Consumer Welfare Enhancing Mergers among Sellers of Differentiated Products," Journal of Industrial Economics, Wiley Blackwell, vol. 44(4), pages 409-413, December.
    3. Perry, Martin K & Porter, Robert H, 1985. "Oligopoly and the Incentive for Horizontal Merger," American Economic Review, American Economic Association, vol. 75(1), pages 219-227, March.
    4. Werden, Gregory J, 1991. "Horizontal Mergers: Comment," American Economic Review, American Economic Association, vol. 81(4), pages 1002-1006, September.
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    More about this item

    JEL classification:

    • K20 - Law and Economics - - Regulation and Business Law - - - General
    • K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law

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