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The 2010 Hmgs Ten Years Later: Where Do We Go From Here?, Steven C. Salop, Fiona Scott Morton Jun 2020

The 2010 Hmgs Ten Years Later: Where Do We Go From Here?, Steven C. Salop, Fiona Scott Morton

Georgetown Law Faculty Publications and Other Works

In this short article, which is part of a RIO Symposium on the Tenth Anniversary of the 2010 Merger Guidelines, we suggest a number of improvements that should be considered in the next revision of the Guidelines. Our analysis is based on the observation that horizontal merger policy has suffered from under-enforcement. We provide evidence that the enforcement agencies face significant resource constraints which require a triage process that inevitably leads to under-enforcement. In light of merger law placing greater weight on avoiding false negatives and under-deterrence than false positive and over-deterrence, the article suggests a number of ways in …


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 …