Antitrust & Competition Policy Blog

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

Tuesday, January 21, 2020

Tacit Collusion and Price Dispersion in the Presence of Southwest Airlines

Donggeun Kim, University of Oklahoma, Myongjin Kim, University of Oklahoma, and Kerry M. Tan, Loyola University Maryland study Tacit Collusion and Price Dispersion in the Presence of Southwest Airlines.

ABSTRACT: We study the impact of tacit collusion on price dispersion in the U.S. airline industry. We find that tacit collusion driven by multi-market contact has a positive effect on prices, but a negative effect on price dispersion. Our empirical results suggest that airfares throughout the price distribution increases, yet the price distribution becomes more compressed since 10th percentile airfares increase by a larger amount than 90th percentile airfares. Moreover, we also find that this pricing phenomenon does not exist if Southwest Airlines is present on the route. Thus, route-level price competition is softened when the same airlines directly compete more frequently, except when Southwest Airlines services that route.

https://lawprofessors.typepad.com/antitrustprof_blog/2020/01/tacit-collusion-and-price-dispersion-in-the-presence-of-southwest-airlines.html

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