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Bidding in an electricity pay-as-bid auction

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Author Info
Giulio Federico () (Nuffield College, Oxford)
David Rahman () (UCLA)

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Abstract

One of the main elements of the current reform of electricty trading in the UK is the change from a uniform price auction in the wholesale market to discriminatory pricing. We analyse this change under two polar market structures (perfectly competitive and monopolistic supply), with demand uncertainty. We find that under perfect competition there is a trade-off between efficiency and average prices between the two auction rules. We also establish that a move from uniform to discriminatory pricing under monopoly conditions has a negative impact on profits and output (weakly), and ambiguous implications for prices and welfare.

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Publisher Info
Paper provided by Economics Group, Nuffield College, University of Oxford in its series Economics Papers with number 2001-W5.

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Length: 39pages
Date of creation: 01 Apr 2000
Date of revision: 01 Apr 2001
Handle: RePEc:nuf:econwp:0105

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Web page: http://www.nuff.ox.ac.uk/economics/

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Related research
Keywords: Multi-Unit Auctions; Price discrimination; Electricity;

Other versions of this item:

Find related papers by JEL classification:
D41 - Microeconomics - - Market Structure and Pricing - - - Perfect Competition
D42 - Microeconomics - - Market Structure and Pricing - - - Monopoly
D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities

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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. 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)
  2. Nautz, D., 1995. "Optimal bidding in multi-unit auctions with many bidders," Economics Letters, Elsevier, vol. 48(3-4), pages 301-306, June. [Downloadable!] (restricted)
  3. Robert G. Hansen, 1988. "Auctions with Endogenous Quantity," RAND Journal of Economics, The RAND Corporation, vol. 19(1), pages 44-58, Spring. [Downloadable!] (restricted)
  4. von der Fehr, Nils-Henrik Morch & Harbord, David, 1993. "Spot Market Competition in the UK Electricity Industry," Economic Journal, Royal Economic Society, vol. 103(418), pages 531-46, May. [Downloadable!] (restricted)
    Other versions:
  5. Wilson, Robert, 1979. "Auctions of Shares," The Quarterly Journal of Economics, MIT Press, vol. 93(4), pages 675-89, November. [Downloadable!] (restricted)
  6. 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)
  7. Varian, Hal R, 1985. "Price Discrimination and Social Welfare," American Economic Review, American Economic Association, vol. 75(4), pages 870-75, September. [Downloadable!] (restricted)
  8. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August. [Downloadable!] (restricted)
  9. Lawrence M. Ausubel & Peter Cramton, 1995. "Demand Reduction and Inefficiency in Multi-Unit Auctions," Papers of Peter Cramton 98wpdr, University of Maryland, Department of Economics - Peter Cramton, revised 22 Jul 2002. [Downloadable!]
  10. 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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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. Paul Klemperer, 2000. "Why Every Economist Should Learn Some Auction Theory," Microeconomics 0004009, EconWPA. [Downloadable!]
    Other versions:
  2. Pär Holmberg, 2009. "Supply function equilibria of pay-as-bid auctions," Journal of Regulatory Economics, Springer, vol. 36(2), pages 154-177, October. [Downloadable!] (restricted)
  3. Natalia Fabra & Nils-Henrik von der Fehr & David Harbord, 2002. "Designing Electricity Auctions," Microeconomics 0211017, EconWPA, revised 31 Aug 2003. [Downloadable!]
    Other versions:
  4. Klemperer, Paul, 2000. "What Really Matters in Auction Design," CEPR Discussion Papers 2581, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  5. Giulietti, Monica & Grossi, Luigi & Waterson, Michael, 2009. "Price transmission in the UK electricity market : was NETA beneficial?," The Warwick Economics Research Paper Series (TWERPS) 913, University of Warwick, Department of Economics. [Downloadable!]
  6. de Frutos, Maria-Angeles & Fabra, Natalia & Von der Fehr, Nils-Henrik M, 2008. "Investment Incentives and Auction Design in Electricity Markets," CEPR Discussion Papers 6626, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  7. Hästö, Peter & Holmberg, Pär, 2005. "Some Inequalities related to the analysis of electricity auctions," Working Paper Series 2005:23, Uppsala University, Department of Economics. [Downloadable!]
  8. Klemperer, Paul, 2000. "What Really Matters in Auction Design: the European Spectrum Auctions," Econometric Society World Congress 2000 Contributed Papers 1937, Econometric Society. [Downloadable!]
  9. Vítor Marques & Isabel Soares & Adelino Fortunato, 2008. "Uniform Price Market and Behaviour Pattern: What Does the Iberian Electricity Market Point Out?," GEMF Working Papers 2008-08, GEMF - Faculdade de Economia, Universidade de Coimbra. [Downloadable!]
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