Journal
EUROPEAN ECONOMIC REVIEW
Volume 45, Issue 4-6, Pages 797-808Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-2921(01)00123-4
Keywords
intermediation; network externalities; price discrimination; Internet
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We examine a price competition game between two intermediaries offering to match two sides of a market on the Internet. Competition is characterized by asymmetric network externalities. We account for some specificities of cybermediation, in particular access versus usage pricing and the possibility of using the services of several intermediaries. When only registration fees are used and agents register with at most one cybermediary, there exists an equilibrium where one firm corners the market with positive profits. Introducing either fees contingent on successful matching or the possibility of registration with two cybermediaries make these profits vanish. Other types of equilibria are discussed. (C) 2001 Elsevier Science B.V, All rights reserved.
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