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Vertically integrated firms' investments in electricity generating capacities

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Author Info
Boom, Anette

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Abstract

We compare investments in generating capacities of an integrated monopolist with the aggregate investments of two vertically integrated competing firms. The firms invest in their capacity and fix the retail price while electricity demand is uncertain. The wholesale price is determined in a unit price auction where the firms know the level of demand when they bid their capacities. Total capacities can be larger or smaller with a duopoly than with a monopoly. If the two firms select the Pareto dominant equilibrium, then the retail price is always higher and the social welfare lower in the duopoly case.

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File URL: http://www.sciencedirect.com/science/article/B6V8P-4VF56N4-1/2/76def3822b77eda9731944c35e5d7734
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Publisher Info
Article provided by Elsevier in its journal International Journal of Industrial Organization.

Volume (Year): 27 (2009)
Issue (Month): 4 (July)
Pages: 544-551
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Handle: RePEc:eee:indorg:v:27:y:2009:i:4:p:544-551

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Web page: http://www.elsevier.com/locate/inca/505551

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Related research
Keywords: Capacity investments Vertical Integration Unit price auction Demand uncertainty Subgame perfect equilibria;

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References listed on IDEAS
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  1. Kai-Uwe Kühn & Matilde Machado, 2004. "Bilateral Market Power And Vertical Integration In The Spanish Electricity Spot Market," Working Papers wp2004_0414, CEMFI. [Downloadable!]
    Other versions:
  2. Anette Boom, 2003. "Investments in Electricity Generating Capacity under Different Market Structures and with Endogenously Fixed Demand," CIG Working Papers SP II 2003-01, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG). [Downloadable!]
  3. Baldursson , Fridrik M. & von der Fehr, Nils-Henrik, 2007. "Vertical Integration and Long-Term Contracts in Risky Markets," Memorandum 01/2007, Oslo University, Department of Economics. [Downloadable!]
  4. Natalia Fabra, 2003. "Tacit Collusion in Repeated Auctions: Uniform Versus Discriminatory," Journal of Industrial Economics, Blackwell Publishing, vol. 51(3), pages 271-293, 09. [Downloadable!] (restricted)
  5. Severin Borenstein & James B. Bushnell & Frank A. Wolak, 2002. "Measuring Market Inefficiencies in California's Restructured Wholesale Electricity Market," American Economic Review, American Economic Association, vol. 92(5), pages 1376-1405, December. [Downloadable!]
  6. Joskow, P. & Tirole, J., 2004. "‘Retail Electricity Competition’," Cambridge Working Papers in Economics 0430, Faculty of Economics, University of Cambridge. [Downloadable!]
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  7. Anette Boom & Stefan Buehler, 2007. "Restructuring Electricity Markets when Demand is Uncertain: Effects on Capacity Investments, Prices and Welfare," CIE Discussion Papers 2007-09, University of Copenhagen. Department of Economics. Centre for Industrial Economics. [Downloadable!]
  8. Severin Borenstein & Stephen Holland, 2005. "On the Efficiency of Competitive Electricity Markets with Time-Invariant Retail Prices," RAND Journal of Economics, The RAND Corporation, vol. 36(3), pages 469-493, Autumn.
    Other versions:
  9. Castro-Rodriguez, Fidel & Marín Uribe, Pedro Luis & Siotis, Georges, 2001. "Capacity Choices in Liberalized Electricity Markets," CEPR Discussion Papers 2998, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  10. Green, R., 2004. "Retail Competition and Electricity Contracts," Cambridge Working Papers in Economics 0406, Faculty of Economics, University of Cambridge. [Downloadable!]
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  11. Anette Boom, . "Investments in Electricity Generation Capacity under Different Market Structures with Price Responsive Demand," Papers 016, Departmental Working Papers. [Downloadable!]
  12. Joskow, Paul & Tirole, Jean, 2004. "Reliability and Competitive Electricity Markets," IDEI Working Papers 310, Institut d'Économie Industrielle (IDEI), Toulouse. [Downloadable!]
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  13. Le Coq, Chloé, 2002. "Strategic use of available capacity in the electricity spot market," Working Paper Series in Economics and Finance 496, Stockholm School of Economics. [Downloadable!]
  14. Severin Borenstein & James Bushnell & Steven Stoft, 1997. "The Competitive Effects of Transmission Capacity in a Deregulated Electricity Industry," NBER Working Papers 6293, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  15. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-77, November. [Downloadable!] (restricted)
  16. Dechenaux, Emmanuel & Kovenock, Dan, 2005. "Tacit Collusion and Capacity Withholding in Repeated Uniform Price Auctions," Working Paper Series 636, Research Institute of Industrial Economics. [Downloadable!]
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  17. Mansur, Erin T, 2007. "Upstream Competition and Vertical Integration in Electricity Markets," Journal of Law & Economics, University of Chicago Press, vol. 50(1), pages 125-56, February.
  18. Leautier, Thomas-Olivier, 2001. "Transmission Constraints and Imperfect Markets for Power," Journal of Regulatory Economics, Springer, vol. 19(1), pages 27-54, January. [Downloadable!] (restricted)
  19. David M. Kreps & Jose A. Scheinkman, 1983. "Quantity Precommitment and Bertrand Competition Yield Cournot Outcomes," Bell Journal of Economics, The RAND Corporation, vol. 14(2), pages 326-337, Autumn. [Downloadable!] (restricted)
  20. Green, Richard J & Newbery, David M, 1992. "Competition in the British Electricity Spot Market," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 929-53, October. [Downloadable!] (restricted)
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