The Case of Duopoly: Industry Structure Is Not a Sufficient Basis for Imposing Regulation

6 Pages Posted: 10 Jan 2012

See all articles by Larry F. Darby

Larry F. Darby

The American Consumer Institute

Joseph P. Fuhr

Widener University - Department of Economics, Finance & Marketing

Erwin A. Blackstone

Temple University - Department of Economics

Date Written: January 9, 2012

Abstract

Policymakers often assume that there is considerable market power under duopoly and oligopoly. However, theoretical analysis is ambiguous about the nature of duopoly and empirical and experimental analysis reveal many examples of duopolistic markets that are highly competitive, while attempts to broaden those markets could lead to consumer harm. This paper reviews the theoretical and empirical evidence on duopolies and market power.

Suggested Citation

Darby, Larry F. and Fuhr, Joseph P. and Blackstone, Erwin A., The Case of Duopoly: Industry Structure Is Not a Sufficient Basis for Imposing Regulation (January 9, 2012). Regulation, Vol. 34, No. 4, p. 12, Winter 2011-2012. Available at SSRN: https://ssrn.com/abstract=1982137

Larry F. Darby

The American Consumer Institute ( email )

1701 Pennsylvania Ave., NW, Suite 300
Washington, DC 20006
United States

Joseph P. Fuhr

Widener University - Department of Economics, Finance & Marketing ( email )

One University Place
Chester, PA 19013
United States
610-499-1172 (Phone)

Erwin A. Blackstone (Contact Author)

Temple University - Department of Economics ( email )

Fox School of Business and Management
807 Ritter Annex
Philadelphia, PA 19122
United States
(215) 204-5027 (Phone)

HOME PAGE: http://www.sbm.temple.edu/~eablacks/

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