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Competition in the British Electricity Spot Market

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  • Green, Richard J
  • Newbery, David M

Abstract

Most of the British electricity supply industry has been privatized. Two dominant generators supply bulk electricity to an unregulated "pool." They submit a supply schedule of prices for generation and receive the market-clearing price, which varies with demand. Despite claims that this should be highly competitive, the authors show that the Nash equilibrium in supply schedules implies a high markup on marginal cost and substantial deadweight losses. Further simulations, to show the effect of entry by 1994, produce somewhat lower prices at the cost of excessive entry; subdividing the generators into five firms would produce better results. Copyright 1992 by University of Chicago Press.

Suggested Citation

  • 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 929-953, October.
    • Handle: RePEc:ucp:jpolec:v:100:y:1992:i:5:p:929-53
    DOI: 10.1086/261846
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