Quantitative Methods for Evaluating the Unilateral Effects of Mergers

43 Pages Posted: 17 Jul 2020 Last revised: 16 Dec 2020

See all articles by Nathan Miller

Nathan Miller

Georgetown University - McDonough School of Business

Gloria Sheu

Board of Governors of the Federal Reserve System

Date Written: December 15, 2020

Abstract

We describe the quantitative modeling techniques that are used in horizontal merger review for the evaluation of unilateral effects, and discuss how the 2010 Horizontal Merger Guidelines helped legitimize these methods and motivate scholarly research. We cover markets that feature differentiated-products pricing, auctions and negotiations, and homogeneous products, in turn. We also develop connections between quantitative modeling and market concentration screens based on the Herfindahl-Hirschman Index (HHI).

Keywords: Mergers, Antitrust, Unilateral Effects

JEL Classification: L13, L40, L41

Suggested Citation

Miller, Nathan and Sheu, Gloria, Quantitative Methods for Evaluating the Unilateral Effects of Mergers (December 15, 2020). Georgetown McDonough School of Business Research Paper No. 3635245, Available at SSRN: https://ssrn.com/abstract=3635245 or http://dx.doi.org/10.2139/ssrn.3635245

Nathan Miller (Contact Author)

Georgetown University - McDonough School of Business ( email )

3700 O Street, NW
Washington, DC 20057
United States

Gloria Sheu

Board of Governors of the Federal Reserve System ( email )

20th Street and Constitution Avenue NW
Washington, DC 20551
United States

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