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A dynamic conduct parameter model of electricity marketer pricing behavior in the California power exchange

Author

Listed:
  • Carol A. Dahl

    (Division of Economics and Business, Colorado School of Mines)

  • Tyler Hodge

    (U.S. Energy Information Administration)

Abstract

This paper contains a dynamic conduct parameter model to look at the pricing behavior of five power marketers in the California Power Exchange (CalPX) on daily data for 2000. Only our previous paper Hodge and Dahl (2012) specifically focused on just the electric power marketers. In this paper we compare a dynamic conduct parameter with that of our earlier static model to test whether the static estimates are biased downwards or towards not rejecting the null hypothesis of no market power. We estimate the model using generalized methods of moments on data for each marketer. We find more evidence of collusive behavior with the dynamic than the earlier static model estimates.

Suggested Citation

  • Carol A. Dahl & Tyler Hodge, 2012. "A dynamic conduct parameter model of electricity marketer pricing behavior in the California power exchange," Working Papers 2012-15, Colorado School of Mines, Division of Economics and Business.
    • Handle: RePEc:mns:wpaper:wp201215
    as

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    File URL: http://econbus-papers.mines.edu/working-papers/wp201215.pdf
    File Function: First version, 2012
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    References listed on IDEAS

    as
    1. Severin Boreinstein & Andrea Shepard, 1996. "Dynamic Pricing in Retail Gasoline Markets," RAND Journal of Economics, The RAND Corporation, vol. 27(3), pages 429-451, Autumn.
    2. Rotemberg, Julio J & Saloner, Garth, 1986. "A Supergame-Theoretic Model of Price Wars during Booms," American Economic Review, American Economic Association, vol. 76(3), pages 390-407, June.
    3. Paul L. Joskow & Edward Kohn, 2002. "A Quantitative Analysis of Pricing Behavior in California's Wholesale Electricity Market During Summer 2000," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 1-35.
    4. Dae‐Wook Kim & Christopher R. Knittel, 2006. "Biases In Static Oligopoly Models? Evidence From The California Electricity Market," Journal of Industrial Economics, Wiley Blackwell, vol. 54(4), pages 451-470, December.
    5. Bresnahan, Timothy F., 1989. "Empirical studies of industries with market power," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 2, chapter 17, pages 1011-1057, Elsevier.
    6. Steven L. Puller, 2007. "Pricing and Firm Conduct in California's Deregulated Electricity Market," The Review of Economics and Statistics, MIT Press, vol. 89(1), pages 75-87, February.
    7. Hodge, Tyler & Dahl, Carol A., 2012. "Power marketer pricing behavior in the California Power Exchange," Energy Economics, Elsevier, vol. 34(2), pages 568-575.
    8. Frank A. Wolak, 2003. "Measuring Unilateral Market Power in Wholesale Electricity Markets: The California Market, 1998–2000," American Economic Review, American Economic Association, vol. 93(2), pages 425-430, May.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Electricity; Conduct Parameter; Dynamic; Marketer;
    All these keywords.

    JEL classification:

    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices

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