Investment Incentives and Auction Design in Electricity Markets
AbstractMotivated by the regulatory debate in electricity markets, we seek to understand how market design affects market performance through its impact on investment incentives. For this purpose, we study a two-stage game in which firms choose their capacities under demand uncertainty prior to bidding into the spot market. We analyse a number of different market design elements, including (i) two commonly used auction formats, the uniform-price and discriminatory auctions, (ii) price-caps and (iii) bid duration. We find that, although the discriminatory auction tends to lower prices, this does not imply that investment incentives at the margin are poorer; indeed, under reasonable assumptions on the shape of the demand distribution, the discriminatory auction induces (weakly) stronger investment incentives than the uniform-price format.
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Bibliographic InfoPaper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6626.
Date of creation: Jan 2008
Date of revision:
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Find related papers by JEL classification:
- D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
- L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
- L5 - Industrial Organization - - Regulation and Industrial Policy
- L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
This paper has been announced in the following NEP Reports:
- NEP-ALL-2008-04-12 (All new papers)
- NEP-COM-2008-04-12 (Industrial Competition)
- NEP-ENE-2008-04-12 (Energy Economics)
- NEP-MIC-2008-04-12 (Microeconomics)
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