Economics at the Antitrust Division: 2017–2018 |
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| Authors: | Luke M Froeb Russell W Pittman Charles S Taragin Steven Tschantz Gregory J Werden |
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| Institution: | 1.William C. Oehmig Chair of Free Enterprise and Entrepreneurship at Owen Graduate School of Management,Vanderbilt University,Nashville,USA;2.Department of Mathematics,Vanderbilt University,Nashville,USA;3.Antitrust Division,U.S. Department of Justice,Washington,USA;4.Arlington,USA |
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| Abstract: | This article describes some of the work of Antitrust Division economists over the past year, with a focus on modeling. It begins by illustrating the mapping from evidence to prediction using tools for assessing the effects of mergers using Bertrand, Cournot, and auction models. It then turns to two hot topics in competition policy: the implications of claims of increasing margins for merger enforcement and the validity of claims of increasing concentration. Finally, it considers how mergers affect prices in bargaining models. |
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