Competition and mergers in networks with call externalities
AbstractThis paper considers a model of two interconnected networks with different qualities. There are call externalities in the sense that consumers value calls they send and receive. Networks compete in two part tariffs. We show that call externalities create private incentives for each competitor to charge low access prices. This result moderates the risk of tacit collusion when competitors can freely negotiate their access charges. We also analyze the case of a merger between the two networks and give conditions under which the merger can be welfare improving.
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Bibliographic InfoPaper provided by LASER (Laboratoire de Science Economique de Richter), Faculty of Economics, University of Montpellier 1 in its series Cahiers du LASER (LASER Working Papers) with number 2003.07.
Length: 50 pages
Date of creation: 2003
Date of revision:
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Postal: Université de Montpellier 1, Faculté des Sciences Economiques, LASER, Rue Raymond Dugrand - Espace Richter, CS 79606, 34960 Montpellier Cedex 2, France
Web page: http://www.laser.univ-montp1.fr
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