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Assessing Horizontal Mergers under Uncertain Efficiency Gains

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  • Philippe Choné

    (Crest)

  • Laurent Linnemer

    (Crest)

Abstract

The analysis of horizontal mergers hinges on a tradeoff between unilateral effectsand efficiency gains. The article examines the role of uncertainty (on theefficiency gains) in this tradeoff. Common wisdom is that the antitrust authoritiesshould be very cautious about random gains. Our results show thatdismissing efficiency gains on the sole ground that they are uncertain would notbe theoretically founded. Indeed, the attitude towards uncertainty depends onthe curvature of the social objective function. We exhibit a number of situationswhere the objective is convex in the efficiency gains, implying that competitionauthorities should welcome the risk for a given expectation of efficiency gains.Implications for empirical merger analysis are exposed.

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Bibliographic Info

Paper provided by Centre de Recherche en Economie et Statistique in its series Working Papers with number 2006-06.

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Length: 33
Date of creation: 2006
Date of revision:
Handle: RePEc:crs:wpaper:2006-06

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  17. Froeb, Luke & Tschantz, Steven & Werden, Gregory J., 2005. "Pass-through rates and the price effects of mergers," International Journal of Industrial Organization, Elsevier, vol. 23(9-10), pages 703-715, December.
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Cited by:
  1. Amir, Rabah & Diamantoudi, Effrosyni & Xue, Licun, 2009. "Merger performance under uncertain efficiency gains," International Journal of Industrial Organization, Elsevier, vol. 27(2), pages 264-273, March.
  2. Emilie Dargaud, 2013. "Horizontal mergers, efficiency gains and remedies," European Journal of Law and Economics, Springer, vol. 36(2), pages 349-372, October.
  3. Heijdra, B.J. & Ligthart, J.E., 2005. "Fiscal Policy, Monopolistic Competition and Finite Lives," Discussion Paper 2005-126, Tilburg University, Center for Economic Research.
  4. Le Pape, Nicolas & Zhao, Kai, 2014. "Horizontal mergers and uncertainty," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy, vol. 8(23), pages 1-31.
  5. Ding, Wei & Fan, Cuihong & Wolfstetter, Elmar G., 2013. "Horizontal mergers with synergies: Cash vs. profit-share auctions," International Journal of Industrial Organization, Elsevier, vol. 31(5), pages 382-391.
  6. Le Pape, Nicolas & Zhao, Kai, 2013. "Horizontal mergers and uncertainty," Economics Discussion Papers 2013-62, Kiel Institute for the World Economy.

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