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Relaxing Competition through Speculation : Committing to a Negative Supply Slope

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  • Holmberg, P.
  • Willems, Bert

    (Tilburg University, School of Economics and Management)

Abstract

We demonstrate how commodity producers can take strategic speculative positions in derivatives markets to soften competition in the spot market. In our game, producers first choose a portfolio of call options and then compete in supply functions. In equilibrium, producers sell forward contracts and buy call options to commit to downward sloping supply functions. Although this strategy is risky, it is profitable because it reduces the elasticity of the residual demand of competitors who respond by increasing mark-ups.
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  • Holmberg, P. & Willems, Bert, 2012. "Relaxing Competition through Speculation : Committing to a Negative Supply Slope," Other publications TiSEM 29ee1be9-d566-4b3b-9ba0-0, Tilburg University, School of Economics and Management.
  • Handle: RePEc:tiu:tiutis:29ee1be9-d566-4b3b-9ba0-078c1c30d8bd
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    Cited by:

    1. Wölfing, Nikolas, 2019. "Forward trading and collusion in supply functions," ZEW Discussion Papers 19-003, ZEW - Leibniz Centre for European Economic Research.
    2. Simona Bigerna and Carlo Andrea Bollino, 2016. "Optimal Price Design in the Wholesale Electricity Market," The Energy Journal, International Association for Energy Economics, vol. 0(Bollino-M).
    3. van Eijkel, Remco & Kuper, Gerard H. & Moraga-González, José L., 2016. "Do firms sell forward for strategic reasons? An application to the wholesale market for natural gas," International Journal of Industrial Organization, Elsevier, vol. 49(C), pages 1-35.
    4. David P. Brown & Andrew Eckert, 2018. "Analyzing the Impact of Electricity Market Structure Changes and Mergers: The Importance of Forward Commitments," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 52(1), pages 101-137, February.
    5. Brown, David P. & Eckert, Andrew, 2021. "Analyzing firm behavior in restructured electricity markets: Empirical challenges with a residual demand analysis," International Journal of Industrial Organization, Elsevier, vol. 74(C).
    6. Holmberg, Pär & Tangerås, Thomas & Ahlqvist, Victor, 2018. "Central- versus Self-Dispatch in Electricity Markets," Working Paper Series 1257, Research Institute of Industrial Economics, revised 27 Mar 2019.
    7. Brown, David P. & Sappington, David E.M., 2020. "Load-Following Forward Contracts," Working Papers 2020-14, University of Alberta, Department of Economics, revised 31 Dec 2021.
    8. Chloé Le Coq & Sebastian Schwenen, 2020. "Financial contracts as coordination device," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 29(2), pages 241-259, April.
    9. Sébastien Mitraille & Henry Thille, 2020. "Strategic advance sales, demand uncertainty and overcommitment," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 69(3), pages 789-828, April.
    10. K. Ruddell & A. B. Philpott & A. Downward, 2017. "Supply Function Equilibrium with Taxed Benefits," Operations Research, INFORMS, vol. 65(1), pages 1-18, February.
    11. K. Ruddell & A. B. Philpott & A. Downward, 2017. "Supply Function Equilibrium with Taxed Benefits," Operations Research, INFORMS, vol. 65(1), pages 1-18, February.

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    More about this item

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • 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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