United States V. Microsoft: An Economic Analysis

91 Pages Posted: 29 Nov 2000

See all articles by Franklin M. Fisher

Franklin M. Fisher

Massachusetts Institute of Technology (MIT) - Department of Economics

Daniel L. Rubinfeld

University of California at Berkeley - School of Law; National Bureau of Economic Research (NBER); NYU Law School


In May, 1998, the U.S. Department of Justice filed suit against the Microsoft Corporation claiming a number of violations of Sections 1 and 2 of the Sherman Act. The case was tried from October 19, 1998 through June 24, 1999. Judge Thomas Penfield Jackson ruled as to the findings of fact on November 5, 1999 and conclusions of law on April 3, 2000. As this paper is drafted, the remedy phase of the trial is about to begin. If the case does not settle, the appeals process will follow.

This paper presents perspective and commentary on the economic issues from the viewpoint of two economists who were active in the case. Fisher was one of the U.S. Government's economic witnesses at the trial, and this paper is based in part on his testimony. Rubinfeld was Deputy Assistant Attorney General (DAAG) for Economics in the Antitrust Division during much of the investigation, and DAAG and then consultant for the U.S. Government during the trial. Our roles as testifying expert and chief economist at the Antitrust Division, respectively, carry with them the advantage of seeing the issues from the inside as participants, and the disadvantage that one's perspective is inevitably affected by one's own viewpoint. Because our goal is to explicate the merits of the Government's case and to highlight important issues, we are hopeful that the advantages will outweigh any disadvantages. Most of what follows summarizes our views at the time of trial; subsections that contain retrospective commentary are starred.

Suggested Citation

Fisher, Franklin M. and Rubinfeld, Daniel L., United States V. Microsoft: An Economic Analysis. Available at SSRN: https://ssrn.com/abstract=247520 or http://dx.doi.org/10.2139/ssrn.247520

Franklin M. Fisher (Contact Author)

Massachusetts Institute of Technology (MIT) - Department of Economics ( email )

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HOME PAGE: http://web.mit.edu/ffisher/www

Daniel L. Rubinfeld

University of California at Berkeley - School of Law ( email )

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HOME PAGE: http://www.law.berkeley.edu/faculty/rubinfeldd

National Bureau of Economic Research (NBER)

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NYU Law School ( email )

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