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Full-Text Articles in Securities Law

A Suggested Revision Of The 2020 Vertical Merger Guidelines (July 2021), Steven C. Salop May 2021

A Suggested Revision Of The 2020 Vertical Merger Guidelines (July 2021), Steven C. Salop

Georgetown Law Faculty Publications and Other Works

The DOJ/ FTC Vertical Merger Guidelines (VMGs) were adopted by the FTC in June 2020 by a party-line 3-2 party line over the dissent of the Acting Chair. One might expect that the VMGs will be withdrawn and/or revised, now that there is a Democratic majority. Revision is appropriate because the VMGs are both incomplete and overly permissible. This Suggested Revision can aid that process.


Vertical Mergers In A Model Of Upstream Monopoly And Incomplete Information, Serge Moresi, David Reitman, Steven C. Salop, Yianis Sarafidis Jan 2021

Vertical Mergers In A Model Of Upstream Monopoly And Incomplete Information, Serge Moresi, David Reitman, Steven C. Salop, Yianis Sarafidis

Georgetown Law Faculty Publications and Other Works

We examine the role of private information on the impact of vertical mergers. A vertical merger can improve the information that is available to an upstream monopolist because, after the merger, the monopolist can observe the cost of its downstream merger partner. In the pre-merger world, because the costs of the downstream firms are private information, the monopolist has incomplete information and cannot implement the monopoly outcome: The expected pre-merger equilibrium price of the downstream product is lower than the monopoly price. After a vertical merger, the equilibrium input price that is charged to the downstream rival can either increase …


Recommendations And Comments On The Draft Vertical Merger Guidelines, Jonathan B. Baker, Nancy L. Rose, Steven C. Salop, Fiona Scott Morton Feb 2020

Recommendations And Comments On The Draft Vertical Merger Guidelines, Jonathan B. Baker, Nancy L. Rose, Steven C. Salop, Fiona Scott Morton

Georgetown Law Faculty Publications and Other Works

These recommendations and comments respond to the request by the Federal Trade Commission and the Department of Justice’s Antitrust Division for public comment on the draft 2020 Vertical Merger Guidelines. We commend the agencies for updating the 1984 non-horizontal merger guidelines by recognizing the substantial advances in economic thinking about vertical mergers in the thirty-five years since those guidelines were issued. Our comments emphasize four issues: (i) the treatment of the elimination of double marginalization (“EDM”), particularly that the draft vertical merger guidelines appear inappropriately to make proof of cognizability part of the agencies burden and that they appear to …