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Analyzing Horizontal Mergers: Unilateral Effects In Product-Differentiated Markets, Herbert J. Hovenkamp
Analyzing Horizontal Mergers: Unilateral Effects In Product-Differentiated Markets, Herbert J. Hovenkamp
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This essay offers a brief, non-technical exposition of the antitrust analysis of horizontal mergers in product differentiated markets where the resulting price increase is thought to be unilateral - that is, only the post-merger firm increases its prices while other firms in the market do not. More realistically, non-merging firms who are reasonably close in product space to the merging firm will also be able to increase their prices when the post-merger firm's prices rise. The unilateral effects theory is robust and has become quite conventional in merger analysis. There is certainly no reason for thinking that it involves any …