The Legacy of U.S. V. Microsoft

7 Pages Posted: 24 Feb 2004

See all articles by Tim Brennan

Tim Brennan

University of Maryland, Baltimore County - Department of Public Policy; Resources for the Future


The recent Microsoft antitrust case had many profound implications, one of which was possible insight into the changing role of economics in antitrust. Microsoft started out as a "post-Chicago" theoretical case in which game theory and asymmetric information models suggested the software firm was engaging in competition-restricting practices. But the case ultimately devolved into a "pre-Chicago" case of impressionistic assessments of harm to competition from Microsoft's activities. The legacy of U.S. v. Microsoft may be that the promoters of post-Chicago economics may realize that they need to force the courts to get the economics right in order to get the results they want.

Keywords: Microsoft, antitrust, antitrust law, U.S. v. Microsoft, competition, monopoly, competitive advantage, regulation, technology

JEL Classification: L4, L43, L86, K2, K21

Suggested Citation

Brennan, Tim, The Legacy of U.S. V. Microsoft. Available at SSRN:

Tim Brennan (Contact Author)

University of Maryland, Baltimore County - Department of Public Policy ( email )

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