Complications in the Antitrust Response to Monopsony

18 Pages Posted: 10 Dec 2010

See all articles by Jeffrey Lynch Harrison

Jeffrey Lynch Harrison

University of Florida Levin College of Law

Date Written: December 9, 2010


The general idea of treating monopoly and monopsony similarly under the antitrust laws is supported by economic theory but is somewhat more complicated when one attempts to apply existing legal standards. The focus here is on some of the stickier issues that arise when antitrust is applied to monopsony. This analysis starts with a short review of monopsony theory. The purpose is to provide a context for the specific issues that are addressed in the following sections. The first complication concerns what is called the “all none supply curve.” This amounts to an argument that in some circumstances, monopsony may not be harmful. It then explores questions left open by Weyerhaeuser, issues of antitrust standing (a decision about those eligible to bring a private action based on a monopsony theory), the treatment of cooperative buying, and, finally, the treatment of monopsony in the context of some practices to which the application of United States antitrust law is currently somewhat muddled.

Keywords: Antitrust, Monopsony

JEL Classification: K21

Suggested Citation

Harrison, Jeffrey Lynch, Complications in the Antitrust Response to Monopsony (December 9, 2010). Available at SSRN: or

Jeffrey Lynch Harrison (Contact Author)

University of Florida Levin College of Law ( email )

P.O. Box 117625
Gainesville, FL 32611-7625
United States

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