Dynamic merger policy and pre-merger product choice by an entrant
INTERNATIONAL JOURNAL OF INDUSTRIAL ORGANIZATION(2022)
摘要
We examine the effects of merger and merger policy on a potential entrant's pre-merger product choice. We establish conditions under which the possibility of merger can induce an entrant to imitate an incumbent's product instead of innovating with a more differentiated product. Turning to policy, current practice is to evaluate a proposed merger by focusing on post-merger effects (e.g., whether the merged firm will charge higher prices or invest less in innovation than would the two firms if they remained independent of one another). We show that policies focused solely on a proposed merger's ex post welfare effects can induce an entrant to choose an inefficient direction for its pre-merger investment decisions. We also show that, taking into account merger policy's effects on pre merger product choice, it can be optimal to approve mergers with a positive probability even when the post-merger welfare effects of every consummated merger are negative. (c) 2021 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
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关键词
Antitrust,Innovation,Merger Policy,Product Differentiation
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