Negative Intra-Group Externalities in Two-Sided Markets
41 Pages Posted: 14 Jun 2007
Date Written: June 2007
Abstract
Two types of agents interact on a pre-existing free platform. Agents value positively the presence of agents of the other type but may value negatively the presence of agents of their own type. We ask whether a new platform can find fees and subsidies so as to divert agents from the existing platform and make a profit. We show that this might be impossible if intra-group negative externalities are sufficiently (but not too) strong with respect to positive inter-group externalities.
Keywords: two-sided markets, naked exclusion, divide and conquer
JEL Classification: L11, L13, L23
Suggested Citation: Suggested Citation
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