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Competition with Forward Contracts: A Laboratory Analysis Motivated by Electricity Market Design

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Abstract

We use experiments to study the efficiency effects for a market as a whole of adding the possibility of forward contracting to a pre-existing spot market. We deal separately with the cases where spot market competition is in quantities and where it is in supply functions. In both cases we compare the effect of adding a contract market with the introduction of an additional competitor, changing the market structure from a triopoly to a quadropoly. We find that, as theory suggests, for both types of competition the introduction of a forward market significantly lowers prices. The combination of supply function competition with a forward market leads to high efficiency levels.

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Paper provided by Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC) in its series UFAE and IAE Working Papers with number 581.03.

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Length: 43
Date of creation: 17 Jul 2003
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Handle: RePEc:aub:autbar:581.03

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Keywords: Electricity Markets; Forward Markets; Experiments; Competition;

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  1. Le Coq, Chloé & Orzen, Henrik, 2002. "Do Forward Markets Enhance Competition? Experimental Evidence," Working Paper Series in Economics and Finance 506, Stockholm School of Economics, revised 01 Oct 2004.
  2. Steffen Huck & Hans-Theo Normann & Joerg Oechssler, 1997. "Learning in Cournot Oligopoly - An Experiment," Game Theory and Information 9707009, EconWPA, revised 22 Jul 1997.
  3. Green, Richard & Newbery, David M G, 1991. "Competition in the British Electricity Spot Market," CEPR Discussion Papers 557, C.E.P.R. Discussion Papers.
  4. Abbink, Klaus & Brandts, Jordi & McDaniel, Tanga, 2003. "Asymmetric Demand Information in Uniform and Discriminatory Call Auctions: An Experimental Analysis Motivated by Electricity Markets," Journal of Regulatory Economics, Springer, vol. 23(2), pages 125-44, March.
  5. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-77, November.
  6. Rassenti, Stephen & Reynolds, Stanley S. & Smith, Vernon L. & Szidarovszky, Ferenc, 2000. "Adaptation and convergence of behavior in repeated experimental Cournot games," Journal of Economic Behavior & Organization, Elsevier, vol. 41(2), pages 117-146, February.
  7. Bolle, Friedel, 2001. "Competition with supply and demand functions," Energy Economics, Elsevier, vol. 23(3), pages 253-277, May.
  8. Miller, R. M. & Plott, Charles R. & Smith, Vernon L., . "Intertemporal Competitive Equilibrium: An Empirical Study of Speculation," Working Papers 87, California Institute of Technology, Division of the Humanities and Social Sciences.
  9. Newbery, David M., 2002. "Problems of liberalising the electricity industry," European Economic Review, Elsevier, vol. 46(4-5), pages 919-927, May.
  10. Allaz Blaise & Vila Jean-Luc, 1993. "Cournot Competition, Forward Markets and Efficiency," Journal of Economic Theory, Elsevier, vol. 59(1), pages 1-16, February.
  11. Rassenti, Stephen J & Smith, Vernon L & Wilson, Bart J, 2003. "Discriminatory Price Auctions in Electricity Markets: Low Volatility at the Expense of High Price Levels," Journal of Regulatory Economics, Springer, vol. 23(2), pages 109-23, March.
  12. Hoffman, Elizabeth & Plott, Charles R, 1981. "The Effect of Intertemporal Speculation on the Outcomes in Seller Posted Offer Auction Markets," The Quarterly Journal of Economics, MIT Press, vol. 96(2), pages 223-41, May.
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