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Monopolies in Two-Sided Markets: Comparative Statics and Identification

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  • Weyl, E. Glen

Abstract

Many models of monopoly in two-sided markets have been proposed (Rochet and Tirole, 2006), but little is known about them. I provide a full set of comparative statics for three models, one that generalizes that of Rochet and Tirole (2003), a second that generalizes Armstrong (2006) and a third that fuses the two models. This answers a number of questions central to the theoretical literature, such as the effects of market power and price controls and the relationship between different models. I also show how, given exogenous cost variations, these models can be almost fully (locally) identified (e.g. market power and predatory pricing), tested and distinguished from one another. I highlight applications of the results to a wide variety of theoretical, empirical and policy questions, including merger analysis.

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Bibliographic Info

Paper provided by Department of Economics, Institute for Business and Economic Research, UC Berkeley in its series Department of Economics, Working Paper Series with number qt69c9c56z.

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Date of creation: 31 Oct 2008
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Handle: RePEc:cdl:econwp:qt69c9c56z

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  1. Rochet, Jean-Charles & Tirole, Jean, 2003. "Platform Competition in Two-Sided Markets," IDEI Working Papers 152, Institut d'Économie Industrielle (IDEI), Toulouse.
  2. Wilko Bolt & Alexander F Tieman, 2005. "Skewed Pricing in Two-Sided Markets: An IO approach," Money Macro and Finance (MMF) Research Group Conference 2005 75, Money Macro and Finance Research Group.
  3. Menon, Jayant, 1995. " Exchange Rate Pass-Through," Journal of Economic Surveys, Wiley Blackwell, vol. 9(2), pages 197-231, June.
  4. Wright Julian, 2004. "One-sided Logic in Two-sided Markets," Review of Network Economics, De Gruyter, vol. 3(1), pages 1-21, March.
  5. Alexandre Gaudeul & Bruno Jullien, 2005. "E-commerce, two-sided markets and info-mediation," Industrial Organization 0503014, EconWPA, revised 05 Apr 2005.
  6. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716.
  7. Ambrus, Attila & Argenziano, Rossella, 2009. "Asymmetric Networks in Two-Sided Markets," Scholarly Articles 3204916, Harvard University Department of Economics.
  8. Joseph J. Spengler, 1950. "Vertical Integration and Antitrust Policy," Journal of Political Economy, University of Chicago Press, vol. 58, pages 347.
  9. Josh Lerner & Jean Tirole, 2008. "Public Policy toward Patent Pools," NBER Chapters, in: Innovation Policy and the Economy, Volume 8, pages 157-186 National Bureau of Economic Research, Inc.
  10. Kaiser, Ulrich & Wright, Julian, 2004. "Price Structure in Two-sided Markets: Evidence from the Magazine Industry?," ZEW Discussion Papers 04-80, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  11. David Besanko & Jean-Pierre Dubé & Sachin Gupta, 2005. "Own-Brand and Cross-Brand Retail Pass-Through," Marketing Science, INFORMS, vol. 24(1), pages 123-137, July.
  12. Marc Rysman, 2004. "Competition Between Networks: A�Study of the Market for Yellow�Pages," Review of Economic Studies, Wiley Blackwell, vol. 71(2), pages 483-512, 04.
  13. Graeme Guthrie & Julian Wright, 2003. "Competing Payment Schemes," Departmental Working Papers wp0311, National University of Singapore, Department of Economics.
  14. Sijm, J. & Neuhoff, K. & Chen, Y., 2006. "CO2 cost pass through and windfall profits in the power sector," Cambridge Working Papers in Economics 0639, Faculty of Economics, University of Cambridge.
  15. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July.
  16. David S. Evans & Andrei Hagiu & Richard Schmalensee, 2008. "Invisible Engines: How Software Platforms Drive Innovation and Transform Industries," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262550687.
  17. Matthew Gentzkow, 2007. "Valuing New Goods in a Model with Complementarity: Online Newspapers," American Economic Review, American Economic Association, vol. 97(3), pages 713-744, June.
  18. Jullien, Bruno, 2008. "Price Skewness and Competition in Multi-Sided Markets," IDEI Working Papers 504, Institut d'Économie Industrielle (IDEI), Toulouse.
  19. Sumner, Daniel A, 1981. "Measurement of Monopoly Behavior: An Application to the Cigarette Industry," Journal of Political Economy, University of Chicago Press, vol. 89(5), pages 1010-19, October.
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