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Economic Evidence In Antitrust: Defining Markets And Measuring Market Power In Paolo Buccirossi, Jonathan Baker, Timothy Bresnahan

Articles in Law Reviews & Other Academic Journals

This paper addresses an important aspect of the interdisciplinary collaboration between law and economics: the use antitrust courts can and should make of empirical industrial organization economics, in light of the expansion of empirical knowledge generated during the last few decades. First we show how courts can apply what economists have learned about identification of alternative theories of industry structure and firm strategy to the problems of defining markets and determining whether market power has been exercised. We emphasize that the same analytic issues arise regardless of whether the evidence on these concepts is quantitative or qualitative. Second we show …