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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. Mark Armstrong, 2005. "Competition in Two-Sided Markets," Industrial Organization 0505009, EconWPA.
  2. Doganoglu, Toker & Wright, Julian, 2010. "Exclusive dealing with network effects," International Journal of Industrial Organization, Elsevier, vol. 28(2), pages 145-154, March.
  3. Jean Tirole & Jean-Charles Rochet, 2006. "Two-Sided Markets : A Progress Report," Post-Print hal-00173715, HAL.
  4. Jean-Charles Rochet & Jean Triole, 2002. "Platform Competition in Two Sided Markets," FMG Discussion Papers dp409, Financial Markets Group.
  5. Genicot, Garance & Ray, Debraj, 2006. "Contracts and externalities: How things fall apart," Journal of Economic Theory, Elsevier, vol. 131(1), pages 71-100, November.
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  9. Michael D. Whinston & Ilya R. Segal, 2000. "Naked Exclusion: Comment," American Economic Review, American Economic Association, vol. 90(1), pages 296-309, March.
  10. Jullien, Bruno, 2001. "Competing with Network Externalities and Price Discrimination," CEPR Discussion Papers 2883, C.E.P.R. Discussion Papers.
  11. 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.
  12. Volker Nocke & Martin Peitz & Konrad Stahl, 2007. "Platform Ownership," Journal of the European Economic Association, MIT Press, vol. 5(6), pages 1130-1160, December.
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  14. Wright, Julian, 2003. "Optimal card payment systems," European Economic Review, Elsevier, vol. 47(4), pages 587-612, August.
  15. Julian Wright, 2004. "The Determinants of Optimal Interchange Fees in Payment Systems," Journal of Industrial Economics, Wiley Blackwell, vol. 52(1), pages 1-26, 03.
  16. Mark Armstrong & Julian Wright, 2007. "Two-sided Markets, Competitive Bottlenecks and Exclusive Contracts," Economic Theory, Springer, vol. 32(2), pages 353-380, August.
  17. 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.
  18. 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.
  19. Michael R. Baye & John Morgan, 2001. "Information Gatekeepers on the Internet and the Competitiveness of Homogeneous Product Markets," American Economic Review, American Economic Association, vol. 91(3), pages 454-474, June.
  20. 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.
  21. Jean-Charles Rochet & Jean Tirole, 2014. "Platform Competition in Two-Sided Markets," CPI Journal, Competition Policy International, vol. 10.
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