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Screening Contracts in the Presence of Positive Network Effects

  • Gergely Csorba


    (Central European University, Economics Department)

Based on the critical assumption of strategic complementarity, this paper builds a general model to describe and solve the screening problem faced by the monopolist seller of a network good. By applying monotone comparative static tools, we demonstrate that the joint presence of asymmetric information and positive network effects leads to a strict downward distortion for all consumers in the quantities provided. We also show that the equilibrium allocation is an increasing function of the intensity of network effects, and that a discriminating monopoly may supply large quantities for all consumers than a competitive industry.

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Paper provided by Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences in its series IEHAS Discussion Papers with number 0414.

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Length: 32 pages
Date of creation: Aug 2004
Date of revision:
Handle: RePEc:has:discpr:0414
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  1. Milgrom, Paul & Roberts, John, 1990. "Rationalizability, Learning, and Equilibrium in Games with Strategic Complementarities," Econometrica, Econometric Society, vol. 58(6), pages 1255-77, November.
  2. Doh-Shin Jeon & Domenico Menicucci, 2002. "Buyer Coalition Against Monopolistic Screening: On the Role of Asymmetric Information among Buyers," Levine's Working Paper Archive 506439000000000025, David K. Levine.
  3. 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.
  4. Milgrom, Paul & Roberts, John, 1994. "Comparing Equilibria," American Economic Review, American Economic Association, vol. 84(3), pages 441-59, June.
  5. Lockwood, B., 1999. "Production Externalities and Two-Way Distortion in Principal-Multi-Agent Problems," The Warwick Economics Research Paper Series (TWERPS) 527, University of Warwick, Department of Economics.
  6. Stephen C. Littlechild, 1975. "Two-Park Tariffs and Consumption Externalities," Bell Journal of Economics, The RAND Corporation, vol. 6(2), pages 661-670, Autumn.
  7. Van Zandt, Timothy & Vives, Xavier, 2007. "Monotone equilibria in Bayesian games of strategic complementarities," Journal of Economic Theory, Elsevier, vol. 134(1), pages 339-360, May.
  8. Fudenberg, Drew & Tirole, Jean, 2000. "Pricing a Network Good to Deter Entry," Journal of Industrial Economics, Wiley Blackwell, vol. 48(4), pages 373-90, December.
  9. Eric Maskin & John Riley, 1984. "Monopoly with Incomplete Information," RAND Journal of Economics, The RAND Corporation, vol. 15(2), pages 171-196, Summer.
  10. Milgrom, P. & Shannon, C., 1991. "Monotone Comparative Statics," Papers 11, Stanford - Institute for Thoretical Economics.
  11. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
  12. Edlin, Aaron S. & Shannon, Chris, 1998. "Strict Monotonicity in Comparative Statics," Journal of Economic Theory, Elsevier, vol. 81(1), pages 201-219, July.
  13. repec:tpr:qjecon:v:103:y:1988:i:3:p:441-63 is not listed on IDEAS
  14. Wilson, Robert, 1997. "Nonlinear Pricing," OUP Catalogue, Oxford University Press, number 9780195115826, July.
  15. Katz, Michael L & Shapiro, Carl, 1985. "Network Externalities, Competition, and Compatibility," American Economic Review, American Economic Association, vol. 75(3), pages 424-40, June.
  16. Jong-Hee Hahn, 2000. "Nonlinear Pricing of Telecommunications with Call and Network Externalities," Keele Department of Economics Discussion Papers (1995-2001) 2000/15, Department of Economics, Keele University, revised Nov 2001.
  17. repec:tpr:qjecon:v:114:y:1999:i:2:p:337-388 is not listed on IDEAS
  18. Cooper, Russell, et al, 1990. "Selection Criteria in Coordination Games: Some Experimental Results," American Economic Review, American Economic Association, vol. 80(1), pages 218-33, March.
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