Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Thursday, October 11, 2012

An equilibrium analysis of efficiency gains from mergers

Posted by D. Daniel Sokol

Dragan Jovanovic (Dusseldorf Institute for Competition Economics) and Christian Wey (Dusseldorf Institute for Competition Economics) provide An equilibrium analysis of efficiency gains from mergers.

ABSTRACT: We analyze the efficiency defense in merger control. First, we show that the relationship between exogenous efficiency gains and social welfare can be non-monotone. Second, we consider both endogenous mergers and endogenous efficiencies and find that merger proposals are largely aligned with a proper social welfare analysis which explicitly considers the without merger counterfactual. We demonstrate that the merger specificity requirement does not help much to select socially desirable mergers; to the contrary, it may frustrate desirable mergers inducing firms not to claim efficiencies at all.

http://lawprofessors.typepad.com/antitrustprof_blog/2012/10/an-equilibrium-analysis-of-efficiency-gains-from-mergers.html

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