Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Friday, December 1, 2017

The Competitive Effects of Common Ownership: Economic Foundations and Empirical Evidence: Reply

José Azar, University of Navarra, IESE Business School, Martin C. Schmalz, University of Michigan, Stephen M. Ross School of Business, and Isabel Tecu, Charles River Associates (CRA) offer The Competitive Effects of Common Ownership: Economic Foundations and Empirical Evidence: Reply.

ABSTRACT: Kennedy, O’Brien, Song, and Waehrer (2017) replicate the panel results of Azar, Schmalz and Tecu (forthcoming), but argue on theoretical grounds that the estimates should not be interpreted as anti-competitive effects of common ownership. They then develop and estimate alternative models and find no significant positive effects of common ownership on airline ticket prices. This note points out features of their empirical analysis that cast doubt on the reliability of their method and results. Their conclusion that the data do not support AST’s interpretation seems unwarranted.

http://lawprofessors.typepad.com/antitrustprof_blog/2017/12/the-competitive-effects-of-common-ownership-economic-foundations-and-empirical-evidence-reply.html

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