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Long-term contract auctions and market power in regulated power industries

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  • Soledad Arellano, M.
  • Serra, Pablo

Abstract

A number of countries with oligopolistic power industries have used marginal cost pricing to set the price of energy for small customers. This course of action, however, does not necessarily ensure an efficient outcome when competition is imperfect. The purpose of this paper is to study how the auction of long-term contracts could reduce market power. We do so in a two-firm, two-technology, linear-cost, static model where demand is summarized by a price inelastic load curve. In this context we show that the larger the proportion of total demand auctioned in advance, the lower are both the contract and the average spot price of energy.

Suggested Citation

  • Soledad Arellano, M. & Serra, Pablo, 2010. "Long-term contract auctions and market power in regulated power industries," Energy Policy, Elsevier, vol. 38(4), pages 1759-1763, April.
    • Handle: RePEc:eee:enepol:v:38:y:2010:i:4:p:1759-1763
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    References listed on IDEAS

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    1. Allaz Blaise & Vila Jean-Luc, 1993. "Cournot Competition, Forward Markets and Efficiency," Journal of Economic Theory, Elsevier, vol. 59(1), pages 1-16, February.
    2. Arellano, Maria-Soledad & Serra, Pablo, 2007. "A model of market power in electricity industries subject to peak load pricing," Energy Policy, Elsevier, vol. 35(10), pages 5130-5135, October.
    3. Liski, Matti & Montero, Juan-Pablo, 2006. "Forward trading and collusion in oligopoly," Journal of Economic Theory, Elsevier, vol. 131(1), pages 212-230, November.
    4. Blaise Allaz & Jean-Luc Vila, 1993. "Cournot Competition, Forward Markets and Efficiency," Post-Print hal-00511806, HAL.
    5. Crew, Michael A & Fernando, Chitru S & Kleindorfer, Paul R, 1995. "The Theory of Peak-Load Pricing: A Survey," Journal of Regulatory Economics, Springer, vol. 8(3), pages 215-248, November.
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    Cited by:

    1. Moreno, R. & Barroso, L.A. & Rudnick, H. & Mocarquer, S. & Bezerra, B., 2010. "Auction approaches of long-term contracts to ensure generation investment in electricity markets: Lessons from the Brazilian and Chilean experiences," Energy Policy, Elsevier, vol. 38(10), pages 5758-5769, October.
    2. Serra, Pablo, 2013. "Contract market power and its impact on the efficiency of the electricity sector," Energy Policy, Elsevier, vol. 61(C), pages 653-662.
    3. Reus, Lorenzo & Munoz, Francisco D. & Moreno, Rodrigo, 2018. "Retail consumers and risk in centralized energy auctions for indexed long-term contracts in Chile," Energy Policy, Elsevier, vol. 114(C), pages 566-577.
    4. Marambio, Rodrigo & Rudnick, Hugh, 2017. "A novel inclusion of intermittent generation resources in long term energy auctions," Energy Policy, Elsevier, vol. 100(C), pages 29-40.
    5. Bustos-Salvagno, Javier, 2015. "Bidding behavior in the Chilean electricity market," Energy Economics, Elsevier, vol. 51(C), pages 288-299.

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