Supply function equilibria of pay-as-bid auctions
AbstractThis paper characterizes the Nash equilibrium in a pay-as-bid (discriminatory), divisible-good, procurement auction. Demand by the auctioneer is uncertain as in the supply function equilibrium model. A closed form expression is derived. Existence of an equilibrium is ensured if the hazard rate of the perfectly inelastic demand is monotonically decreasing and sellers have non-decreasing marginal costs. Multiple equilibria can be ruled out for markets, for which the auctioneerâs demand exceeds suppliersâ capacity with a positive probability. The derived equilibrium can be used to model strategic bidding behaviour in pay-as-bid electricity auctions, such as the balancing mechanism of United Kingdom. Offer curves and mark-ups of the derived equilibrium are compared to results for the SFE of a uniform-price auction.
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Bibliographic InfoArticle provided by Springer in its journal Journal of Regulatory Economics.
Volume (Year): 36 (2009)
Issue (Month): 2 (October)
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Web page: http://www.springerlink.com/link.asp?id=100298
Supply function equilibrium; Pay-as-bid auction; Discriminatory auction; Divisible good auction; Oligopoly; Electricity market; C62; D43; D44; L11; L13; L94;
Other versions of this item:
- C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
- D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
- D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
- 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
- L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
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