StiglerAntitrust24

Giovanna Massarotto writes that antitrust actions against major technology companies like AT&T, IBM, and Microsoft over the past century, though imperfect, have positively impacted innovation and competition in the computer industry by restricting anticompetitive behavior while allowing breakthrough technologies to flourish through carefully crafted remedies. This stands in contrast with Europe, which has seen less homegrown innovation from its technology companies.

Carl Shapiro discusses the central role of economics in merger review under Section 7 of the Clayton Act. Shapiro traces the evolution of merger law in response to advances in Industrial Organization economics over the past 50 years, highlighting how economic concepts and analysis are indispensable for predicting the likely competitive effects of proposed mergers.

Eric Posner discusses why many antitrust professionals believe the law follows economic interpretation, despite the absence of economics in the relevant statutes. He argues that antitrust laws themselves have been resistant to adopting a coherent "economic theory" approach, leading to a tension between the economic views of agencies and academics versus the legal interpretations taken by courts.