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Nord Pool: A Power Market Without Market Power

  • Hjalmarsson, Erik


    (Department of Economics, School of Economics and Commercial Law, Göteborg University)

Regulatory reform in the Nordic electricity-supply markets has resulted in a single integrated Nordic electricity market. This paper performs an econometric study of market power in the spot market of Nord Pool, the joint Nordic power exchange. I use a dynamic extension of the Bresnahan-Lau model, and weekly data for the period from 1996 through April 1999. To my knowledge, this is the first study of power markets that is not able to reject the hypothesis of perfect competition. The most likely reason for this absence of market power is the low ownership concentration in generation in the integrated Nordic electricity market.

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Paper provided by University of Gothenburg, Department of Economics in its series Working Papers in Economics with number 28.

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Length: 39 pages
Date of creation: 18 Aug 2000
Date of revision:
Handle: RePEc:hhs:gunwpe:0028
Contact details of provider: Postal: Department of Economics, School of Business, Economics and Law, University of Gothenburg, Box 640, SE 405 30 GÖTEBORG, Sweden
Phone: 031-773 10 00
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  1. Steen, Frode & Salvanes, Kjell G., 1999. "Testing for market power using a dynamic oligopoly model," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 147-177, February.
  2. Frank A. Wolak & Robert H. Patrick, 2001. "The Impact of Market Rules and Market Structure on the Price Determination Process in the England and Wales Electricity Market," NBER Working Papers 8248, National Bureau of Economic Research, Inc.
  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.
  4. Lau, Lawrence J., 1982. "On identifying the degree of competitiveness from industry price and output data," Economics Letters, Elsevier, vol. 10(1-2), pages 93-99.
  5. Severin Borenstein & James Bushnell, 1998. "An Empirical Analysis of the Potential for Market Power in California's Electricity Industry," NBER Working Papers 6463, National Bureau of Economic Research, Inc.
  6. Cardell, Judith B. & Hitt, Carrie Cullen & Hogan, William W., 1997. "Market power and strategic interaction in electricity networks," Resource and Energy Economics, Elsevier, vol. 19(1-2), pages 109-137, March.
  7. Severin Borenstein & James. Bushnell & Steven Stoft, 2000. "The Competitive Effects of Transmission Capacity in A Deregulated Electricity Industry," RAND Journal of Economics, The RAND Corporation, vol. 31(2), pages 294-325, Summer.
  8. Amundsen, E.S. & Bergman, L. & Andersson, B., 1998. "Competition and Prices on the Emerging Nordic Electricity Market," Norway; Department of Economics, University of Bergen 0298, Department of Economics, University of Bergen.
  9. Borenstein, Severin & Bushnell, James & Knittel, Chris, 1999. "Market Power in Electricity Markets: Beyond Concentration Measures," Staff General Research Papers 31548, Iowa State University, Department of Economics.
  10. Amundsen, Eirik S. & Bergman, Lars & Andersson, Bo, 1998. "Competition and Prices on the Emerging Nordic Electricity Market," SSE/EFI Working Paper Series in Economics and Finance 217, Stockholm School of Economics.
  11. Bresnahan, Timothy F., 1982. "The oligopoly solution concept is identified," Economics Letters, Elsevier, vol. 10(1-2), pages 87-92.
  12. Brennan, Donna & Melanie, Jane, 1998. "Market power in the Australian power market," Energy Economics, Elsevier, vol. 20(2), pages 121-133, April.
  13. Newbery, D. M., 1997. "Pool Reform and Competition in Electricity, forthcoming in M. Beesley (ed.), Lectures on Regulation Series VII, London, Institute of Economic Affairs," Cambridge Working Papers in Economics 9734, Faculty of Economics, University of Cambridge.
  14. Aleksandr Rudkevich & Max Duckworth & Richard Rosen, 1998. "Modeling Electricity Pricing in a Deregulated Generation Industry: The Potential for Oligopoly Pricing in a Poolco," The Energy Journal, International Association for Energy Economics, vol. 0(Number 3), pages 19-48.
  15. Andrew C. Harvey, 1990. "The Econometric Analysis of Time Series, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 026208189x, June.
  16. 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.
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