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Using Market Structure to Regulate a Vertically Integrated Monopolist

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  • Lee, Sang Hyup
  • Hamilton, Jonathan H

Abstract

A natural monopolist whose cost is private information produces a good which is combined with another good that can be produced by the monopolist or by other firms. The agency that regulates the monopolist can impose any of several different market structures in the industry: integrated monopoly, vertical separation with free entry downstream, or liberalization downstream (both integrated and independent production). When several firms produce downstream, a Cournot quantity-setting game with free entry determines the market price. We derive the optimal contracts to offer the monopolist under all three market structures and examine the influence of downstream cost differences on access prices. We then study the optimal regulatory policy where the regulator can condition the downstream market structure on the monopolist's cost report to the regulator. The optimal regulatory policy awards a monopoly to a low-cost upstream firm, but requires free entry downstream if the monopolist reports high upstream costs. Thus, the choice of market structure is an additional tool to limit rent extraction by the monopolist. Simulation analysis reveals the possibility of significant welfare gains from this additional regulatory tool. Copyright 1999 by Kluwer Academic Publishers

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Bibliographic Info

Article provided by Springer in its journal Journal of Regulatory Economics.

Volume (Year): 15 (1999)
Issue (Month): 3 (May)
Pages: 223-48

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Handle: RePEc:kap:regeco:v:15:y:1999:i:3:p:223-48

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Web page: http://www.springerlink.com/link.asp?id=100298

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Cited by:
  1. François Boldron & Cyril Hariton, 2003. "Access charge and imperfect competition," Recherches économiques de Louvain, De Boeck Université, vol. 69(3), pages 319-340.
  2. Federico Boffa & John Panzar, 2011. "Bottleneck co-ownership as a regulatory alternative," Working Papers 2011/38, Institut d'Economia de Barcelona (IEB).
  3. Mark Armstrong & David E.M. Sappington, 2006. "Regulation, Competition and Liberalization," Journal of Economic Literature, American Economic Association, vol. 44(2), pages 325-366, June.
  4. Sappington, David E. M., 2003. "Regulating horizontal diversification," International Journal of Industrial Organization, Elsevier, vol. 21(3), pages 291-315, March.
  5. White, Lawrence J., 2000. "US telephone deregulation: lessons to be learned, mistakes to be avoided," Japan and the World Economy, Elsevier, vol. 12(2), pages 173-183, May.
  6. David Mandy & David E. M. Sappington, 2004. "Incentives for Sabotage in Vertically Related Industries," Working Papers 0404, Department of Economics, University of Missouri, revised 16 Dec 2004.
  7. Eduardo Engel & Ronald Fischer & Alexander Galetovic, 2002. "How to Auction an Essential Facility When Underhand Integration is Possible," Working Papers 839, Economic Growth Center, Yale University.
  8. Caillaud, Bernard & Tirole, Jean, 2001. "Essential Facility Financing and Market Structure," CEPR Discussion Papers 2802, C.E.P.R. Discussion Papers.
  9. Armstrong, Mark, 2001. "The theory of access pricing and interconnection," MPRA Paper 15608, University Library of Munich, Germany.
  10. Eduardo Engel & Ronald Fischer & Alexander Galetovic, 2000. "How to Auction an Essential Facility when Underhand Integration is Possible," Documentos de Trabajo 79, Centro de Economía Aplicada, Universidad de Chile.
  11. Lewis, Tracy R. & Sappington, David E. M., 1999. "Access pricing with unregulated downstream competition," Information Economics and Policy, Elsevier, vol. 11(1), pages 73-100, March.
  12. Shin, Dongsoo & Yun, Sungho, 2004. "Choice of technology in outsourcing: an endogenous information structure," Information Economics and Policy, Elsevier, vol. 16(2), pages 165-178, June.
  13. Stefan Buehler, 2001. "How to Regulate Vertical Market Structure in Network Industries," SOI - Working Papers 0102, Socioeconomic Institute - University of Zurich.
  14. Martimort, David & De Donder, Philippe & de Villemeur, Étienne, 2003. "An Incomplete Contract Perspective on Public Good Provision," IDEI Working Papers 212, Institut d'Économie Industrielle (IDEI), Toulouse.
  15. Aldo González Tissinetti, 2006. "Antitrust and Regulation, Complements or Substitutes? The Case of a Vertically Integrated Firm," Working Papers wp225, University of Chile, Department of Economics.
  16. Nikogosian, Vigen & Veith, Tobias, 2011. "Vertical integration, separation and non-price discrimination: An empirical analysis of German electricity markets for residential customers," ZEW Discussion Papers 11-069, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.

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