Antitrust & Competition Policy Blog

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

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Friday, June 25, 2010

Level of Access and Competition in Broadband Markets

Posted by D. Daniel Sokol

Marc Bourreau (Institut Telecom and CREST-LEI) and Pinar Dogan (Harvard) have a new paper on Level of Access and Competition in Broadband Markets.

ABSTRACT: In this paper, we consider an unregulated incumbent who owns a broadband infrastructure and decides on how much access to provide to a potential entrant. The level of access, i.e., the network elements that are shared in the provision of competing broadband services, not only determines the amount of investment the entrant needs to undertake to enter the market, but also the intensity of post-entry competition. We consider an access scheme that determines an access level and an associated two-part tariff. We show that the equilibrium level of access is higher when the sensitivity of product differentiation to the level of access is lower, and when the marginal investment cost is higher. We also show that the unregulated incumbent sets a suboptimally low (high) level of access if the degree of service differentiation is sufficiently high (low).

http://lawprofessors.typepad.com/antitrustprof_blog/2010/06/level-of-access-and-competition-in-broadband-markets.html

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