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Market Power in the Spanish Electricity Auction

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Author Info
Aitor Ciarreta () (Universidad del País Vasco)
Mari Paz Espinosa () (Universidad del País Vasco)

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Abstract

We use hourly bid data from the Spanish day-ahead electricity auction to obtain a lower bound measure of generators' market power. Our method is not based on cost estimates but rather on the different behavior of strategic generators as compared to the behavior of more competitive producers. The results indicate that, despite the price cap effect of regulation in this market, the larger operators in the day-ahead market are able to increase prices above the competitive benchmark by a significant amount.

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Publisher Info
Paper provided by University of the Basque Country - Department of Foundations of Economic Analysis II in its series DFAEII Working Papers with number 200504.

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Date of creation: 11 Feb 2005
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Handle: RePEc:ehu:dfaeii:200504

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Postal: Dpto. de Fundamentos del Análisis Económico II, Facultad de CC. Económicas y Empresariales, Universidad del País Vasco, Avda. Lehendakari Aguirre 83, 48015 Bilbao, Spain
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Related research
Keywords: market power; electricity market;

Find related papers by JEL classification:
L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. 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)
  2. 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!]
  3. Green, Richard & Newbery, David M G, 1991. "Competition in the British Electricity Spot Market," CEPR Discussion Papers 557, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  4. Green, Richard, 1999. "The Electricity Contract Market in England and Wales," Journal of Industrial Economics, Blackwell Publishing, vol. 47(1), pages 107-24, March. [Downloadable!] (restricted)
  5. Catherine D. Wolfram, 1999. "Measuring Duopoly Power in the British Electricity Spot Market," American Economic Review, American Economic Association, vol. 89(4), pages 805-826, September. [Downloadable!] (restricted)
  6. 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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  7. Spear, Stephen E., 2003. "The electricity market game," Journal of Economic Theory, Elsevier, vol. 109(2), pages 300-323, April. [Downloadable!] (restricted)
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  8. Antonio, J. & Martin, G., 2001. "Spot Market Competition with Stranded Costs in the Spanish Electricity Industry," Papers 0106, Centro de Estudios Monetarios Y Financieros-.
  9. David Harbord & Natalia Fabra & Nils-Henrik von der Fehr, 2002. "Modeling Electricity Auctions," Game Theory and Information 0206001, EconWPA. [Downloadable!]
    Other versions:
  10. Catherine D. Wolfram, 1998. "Strategic Bidding in a Multiunit Auction: An Empirical Analysis of Bids to Supply Electricity in England and Wales," RAND Journal of Economics, The RAND Corporation, vol. 29(4), pages 703-725, Winter. [Downloadable!] (restricted)
  11. Green, Richard, 2001. "Failing Electricity Markets: Should we Shoot the Pools?," CEPR Discussion Papers 3010, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  12. Severin Borenstein & James Bushnell & Frank Wolak, 1999. "Diagnosing Market Power in California's Deregulated Wholesale Electricity Market," Competition Policy Center, Working Paper Series CPC99-007, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley. [Downloadable!]
  13. Paul Klemperer, 2002. "What Really Matters in Auction Design," Journal of Economic Perspectives, American Economic Association, vol. 16(1), pages 169-189, Winter. [Downloadable!] (restricted)
    Other versions:
  14. Green, Richard J, 1996. "Increasing Competition in the British Electricity Spot Market," Journal of Industrial Economics, Blackwell Publishing, vol. 44(2), pages 205-16, June. [Downloadable!] (restricted)
  15. Aviv Nevo, 1998. "Measuring Market Power in the Ready-to-Eat Cereal Industry," NBER Working Papers 6387, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  16. Garcia-Diaz, Anton & Marin, Pedro L., 2003. "Strategic bidding in electricity pools with short-lived bids: an application to the Spanish market," International Journal of Industrial Organization, Elsevier, vol. 21(2), pages 201-222, February. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Vitor Marques & Isabel Soares & Adelino Fortunato, 2008. "Measuring market power in the Iberian electricity wholesale market through the residual demand curve," CETE Discussion Papers 0801, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
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