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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

Suggested Citation

  • Lee, Sang Hyup & Hamilton, Jonathan H, 1999. "Using Market Structure to Regulate a Vertically Integrated Monopolist," Journal of Regulatory Economics, Springer, vol. 15(3), pages 223-248, May.
  • Handle: RePEc:kap:regeco:v:15:y:1999:i:3:p:223-48
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    Cited by:

    1. David Martimort & Philippe De Donder & Etienne Billette de Villemeur, 2005. "An Incomplete Contract Perspective on Public Good Provision," Journal of Economic Surveys, Wiley Blackwell, vol. 19(2), pages 149-180, April.
    2. 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.
    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. Caillaud, Bernard & Tirole, Jean, 2004. "Essential facility financing and market structure," Journal of Public Economics, Elsevier, vol. 88(3-4), pages 667-694, March.
    5. François Boldron & Cyril Hariton, 2003. "Access charge and imperfect competition," Recherches économiques de Louvain, De Boeck Université, vol. 69(3), pages 319-340.
    6. 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.
    7. David Mandy & David Sappington, 2007. "Incentives for sabotage in vertically related industries," Journal of Regulatory Economics, Springer, vol. 31(3), pages 235-260, June.
    8. Federico Boffa & John Panzar, 2012. "Bottleneck co-ownership as a regulatory alternative," Journal of Regulatory Economics, Springer, vol. 41(2), pages 201-215, April.
    9. Sappington, David E. M., 2003. "Regulating horizontal diversification," International Journal of Industrial Organization, Elsevier, vol. 21(3), pages 291-315, March.
    10. Armstrong, Mark, 2001. "The theory of access pricing and interconnection," MPRA Paper 15608, University Library of Munich, Germany.
    11. 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.
    12. 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.
    13. Stefan Buehler, 2001. "How to Regulate Vertical Market Structure in Network Industries," SOI - Working Papers 0102, Socioeconomic Institute - University of Zurich.
    14. 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.
    15. Armstrong, Mark & Sappington, David E.M., 2007. "Recent Developments in the Theory of Regulation," Handbook of Industrial Organization, Elsevier.
    16. Chi-Chih Lin, 2016. "Can Total Deregulation Be A Better Option Than Partial Deregulation?," The Singapore Economic Review (SER), World Scientific Publishing Co. Pte. Ltd., vol. 61(04), pages 1-16, September.
    17. 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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