7 Horizontal Mergers—Non-Coordinated Effects

7.01 The emphasis of non-coordinated (or unilateral) effects analysis is not on market definition but on the elimination of the pre-merger competitive constraints that the incumbents imposed on each other. Unilateral effects arising from a merger are the same regardless of whether the merger generates high concentration within a narrow market, or causes the loss of close, direct competition between the merging parties within a broader market. 7.02 Assuming that every percentage point of market share in the market is an equal constraint on every other percentage...