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The Case for a Discriminatory Pricing Rule in Competitive Electricity Pools

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  • Ahmed Anwar

Abstract

We present a multi-unit common value auction model with capacity constraints which ensure the participants face a residual market. We show that a discriminatory auction performs better than a uniform one when such constraints are present. We then look at a more explicit model of electricity pools and show that the preferred uniform pricing rule can lead to equilibria that are even worse than the basic model suggests. We show that a discriminatory auction would lead to relatively more competitive prices.

Suggested Citation

  • Ahmed Anwar, 1999. "The Case for a Discriminatory Pricing Rule in Competitive Electricity Pools," Edinburgh School of Economics Discussion Paper Series 39, Edinburgh School of Economics, University of Edinburgh.
    • Handle: RePEc:edn:esedps:39
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    File URL: http://www.econ.ed.ac.uk/papers/id39_esedps.pdf
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    References listed on IDEAS

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    1. William Vickrey, 1961. "Counterspeculation, Auctions, And Competitive Sealed Tenders," Journal of Finance, American Finance Association, vol. 16(1), pages 8-37, March.
    2. Mark Armstrong & Simon Cowan & John Vickers, 1994. "Regulatory Reform: Economic Analysis and British Experience," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262510790, December.
    3. Robert Wilson, 1979. "Auctions of Shares," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 93(4), pages 675-689.
    4. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-1277, November.
    5. Back, Kerry & Zender, Jaime F, 1993. "Auctions of Divisible Goods: On the Rationale for the Treasury Experiment," The Review of Financial Studies, Society for Financial Studies, vol. 6(4), pages 733-764.
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    Cited by:

    1. T. S. Genc, 2009. "Discriminatory Versus Uniform-Price Electricity Auctions with Supply Function Equilibrium," Journal of Optimization Theory and Applications, Springer, vol. 140(1), pages 9-31, January.
    2. Jordi Brandts & Stanley S. Reynolds & Arthur Schram, 2014. "Pivotal Suppliers and Market Power in Experimental Supply Function Competition," Economic Journal, Royal Economic Society, vol. 124(579), pages 887-916, September.
    3. Pycia, Marek & Woodward, Kyle, 2021. "Auctions of Homogeneous Goods: A Case for Pay-as-Bid," CEPR Discussion Papers 15656, C.E.P.R. Discussion Papers.
    4. Genc, Talat S. & Reynolds, Stanley S., 2011. "Supply function equilibria with capacity constraints and pivotal suppliers," International Journal of Industrial Organization, Elsevier, vol. 29(4), pages 432-442, July.

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    More about this item

    Keywords

    electricity pool; multi-unit auction;

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities

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