Antitrust & Competition Policy Blog

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

Tuesday, May 29, 2012

Informing Consumers about their own Preferences

Posted by D. Daniel Sokol

Roman Inderst (Johann Wolfgang Goethe-University Frankfurt and Imperial College London) and Martin Peitz (University of Mannheim) discuss Informing Consumers about their own Preferences.

ABSTRACT: We analyze a model of monopolistic price discrimination where only some consumers are originally sufficiently informed about their preferences, e.g., about their future demand for a utility such as electricity or telecommunication. When more consumers become informed, we show that this benefits also those consumers who remain uninformed, as it reduces the firm’s incentives to extract information rent. By reducing the costs of information acquisition or forcing firms to supply consumers with the respective information about past usage, policy can further improve welfare, as contracts become more efficient. The last observation stands in contrast to earlier findings by Cremer and Khalil (American Economic Review 1992), where all consumers are uninformed.

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