Antitrust & Competition Policy Blog

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

Tuesday, August 15, 2017

Price Discrimination and Dispersion under Asymmetric Profiling of Consumers

Paul Belleflamme (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - Ecole Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique) ; Wing Man Wynne Lam (Department of Economics, University of Liège) ; Wouter Vergote (CEREC, University Saint-Louis - Bruxelles) explain Price Discrimination and Dispersion under Asymmetric Profiling of Consumers.

ABSTRACT: Two duopolists compete in price on the market for a homogeneous product. They can use a 'profiling technology' that allows them to identify the willingness-to-pay of their consumers with some probability. If both firms have profiling technologies of the exact same precision, or if one firm cannot use any profiling technology, then the Bertrand paradox continues to prevail. Yet, if firms have technologies of different precisions, then the price equilibrium exhibits both price discrimination and price dispersion, with positive expected profits. Increasing the precision of both firms’ technologies does not necessarily harm consumers.

https://lawprofessors.typepad.com/antitrustprof_blog/2017/08/price-discrimination-and-dispersion-under-asymmetric-profiling-of-consumers.html

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