Antitrust & Competition Policy Blog

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

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Tuesday, November 27, 2012

Horizontal Product Differentiation: Disclosure and Competition

Posted by D. Daniel Sokol

Maarten C. W. Janssen and Mariya Teteryanikova Horizontal Both university of Vienna) discuss Product Differentiation: Disclosure and Competition.

ABSTRACT: The unraveling argument says that when a rm may produce dierent qualities and quality is unknown to consumers, the rm has an incentive to disclose the private information as in any pool of rms there is a best quality rm and this rm has an incentive to disclose. Recent literature has established that this argument does not carry over to an environment where the product is not vertically, but horizontally dierentiated. This paper argues that with horizontally dierentiated products, competition restores the unraveling argument. In a duopoly market we show that all equilibria of the disclosure game have rms fully disclosing the variety they produce.

http://lawprofessors.typepad.com/antitrustprof_blog/2012/11/horizontal-product-differentiation-disclosure-and-competition-.html

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