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Critique of Williamson's Economic Case for an Efficiencies Defense in Antitrust Merger Analysis: Are Rectangles Really Larger than Triangles?

69 Pages Posted: 17 Jul 2003  

Samuel C. Thompson, Jr.

Pennsylvania State University, Penn State Law

Date Written: June 17, 2003

Abstract

This article examines the pricing, output, and welfare effects resulting from a merger in which a pre-merger competitively organized market becomes a post merger monopolistically organized market, and the acquiring firm realizes substantial productive efficiencies. The findings call into question the basic assertion by Professor Williamson and others that productive efficiencies are likely to offset the loss in welfare represented by the welfare triangle.

Keywords: antitrust, mergers, welfare triangle

Suggested Citation

Thompson, Jr., Samuel C., Critique of Williamson's Economic Case for an Efficiencies Defense in Antitrust Merger Analysis: Are Rectangles Really Larger than Triangles? (June 17, 2003). UCLA School of Law, Law & Econ Research Paper No. 3-15. Available at SSRN: https://ssrn.com/abstract=419600 or http://dx.doi.org/10.2139/ssrn.419600

Samuel C. Thompson, Jr. (Contact Author)

Pennsylvania State University, Penn State Law ( email )

Lewis Katz Building
University Park, PA 16802
United States

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