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Negative Intra-Group Externalities in Two-Sided Markets

  • Paul Belleflamme
  • Eric Toulemonde

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.

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File URL: http://www.cesifo-group.de/portal/page/portal/DocBase_Content/WP/WP-CESifo_Working_Papers/wp-cesifo-2007/wp-cesifo-2007-06/cesifo1_wp2011.pdf
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Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 2011.

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Date of creation: 2007
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Handle: RePEc:ces:ceswps:_2011
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  1. Jean-Charles Rochet & Jean Tirole, 2002. "Cooperation Among Competitors: Some Economics Of Payment Card Associations," RAND Journal of Economics, The RAND Corporation, vol. 33(4), pages 549-570, Winter.
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  9. Mark Armstrong & Julian Wright, 2007. "Two-sided Markets, Competitive Bottlenecks and Exclusive Contracts," Economic Theory, Springer, vol. 32(2), pages 353-380, August.
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  12. Anderson, Robert M. & Ellison, Glenn & Fudenberg, Drew, 2010. "Location choice in two-sided markets with indivisible agents," Games and Economic Behavior, Elsevier, vol. 69(1), pages 2-23, May.
  13. Genicot, Garance & Ray, Debraj, 2006. "Contracts and externalities: How things fall apart," Journal of Economic Theory, Elsevier, vol. 131(1), pages 71-100, November.
  14. Segal, Ilya, 2003. "Coordination and discrimination in contracting with externalities: divide and conquer?," Journal of Economic Theory, Elsevier, vol. 113(2), pages 147-181, December.
  15. Jorge A, Ferrando & Jean J, Gabszewicz & Didier Laussel & Nathalie Sonnac, 2004. "Two-Sided Network Effects and Competition : An Application to Media Industries," Working Papers 2004-09, Centre de Recherche en Economie et Statistique.
  16. Mark Armstrong, 2006. "Competition in two‐sided markets," RAND Journal of Economics, RAND Corporation, vol. 37(3), pages 668-691, 09.
  17. Michael D. Whinston & Ilya R. Segal, 2000. "Naked Exclusion: Comment," American Economic Review, American Economic Association, vol. 90(1), pages 296-309, March.
  18. Jullien, Bruno, 2001. "Competing with Network Externalities and Price Discrimination," CEPR Discussion Papers 2883, C.E.P.R. Discussion Papers.
  19. Rasmusen, Eric B & Ramseyer, J Mark & Wiley, John S, Jr, 1991. "Naked Exclusion," American Economic Review, American Economic Association, vol. 81(5), pages 1137-45, December.
  20. Bruno Jullien, 2004. "Two-Sided Markets and Electronic Intermediaries," CESifo Working Paper Series 1345, CESifo Group Munich.
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