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BIASES IN STATIC OLIGOPOLY MODELS? EVIDENCE FROM THE CALIFORNIA ELECTRICITY MARKET -super-

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  • DAE-WOOK KIM
  • CHRISTOPHER R. KNITTEL

Abstract

Estimating market power is often complicated by a lack of reliable marginal cost data. A number of empirical studies identify industry competition and marginal cost levels by estimating the firms' first order condition within a conjectural variations framework. Few studies, however, have analyzed the accuracy of this technique. In this paper, we use direct measures of marginal cost for the California electricity market to measure the extent to which estimated mark-ups and marginal costs are biased. Our results suggest that the technique poorly estimates mark-ups and the sensitivity of marginal cost to cost shifters. Copyright Blackwell Publishing Ltd. 2006.

Suggested Citation

  • Dae-Wook Kim & Christopher R. Knittel, 2006. "BIASES IN STATIC OLIGOPOLY MODELS? EVIDENCE FROM THE CALIFORNIA ELECTRICITY MARKET -super-," Journal of Industrial Economics, Wiley Blackwell, vol. 54(4), pages 451-470, December.
  • Handle: RePEc:bla:jindec:v:54:y:2006:i:4:p:451-470
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    References listed on IDEAS

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    1. Severin Borenstein & James Bushnell & Christopher R. Knittel & Catherine Wolfram, 2001. "Trading Inefficiencies in California's Electricity Markets," NBER Working Papers 8620, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Graf, Christoph & Wozabal, David, 2013. "Measuring competitiveness of the EPEX spot market for electricity," Energy Policy, Elsevier, vol. 62(C), pages 948-958.
    2. Fridolfsson, Sven-Olof & Tangerås, Thomas P., 2009. "Market power in the Nordic electricity wholesale market: A survey of the empirical evidence," Energy Policy, Elsevier, vol. 37(9), pages 3681-3692, September.
    3. repec:eee:eneeco:v:64:y:2017:i:c:p:384-401 is not listed on IDEAS
    4. Manthos Delis & Maria Iosifidi & Efthymios G. Tsionas, 2014. "On the Estimation of Marginal Cost," Operations Research, INFORMS, vol. 62(3), pages 543-556, June.
    5. Koichiro Ito & Mar Reguant, 2016. "Sequential Markets, Market Power, and Arbitrage," American Economic Review, American Economic Association, vol. 106(7), pages 1921-1957, July.
    6. David Wozabal & Christoph Graf & David Hirschmann, 2016. "The effect of intermittent renewables on the electricity price variance," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 38(3), pages 687-709, July.
    7. Tenn, Steven & Froeb, Luke & Tschantz, Steven, 2010. "Mergers when firms compete by choosing both price and promotion," International Journal of Industrial Organization, Elsevier, vol. 28(6), pages 695-707, November.
    8. Corchón, Luis C. & Moreno, Lourdes, 2010. "Interpreting markups in Spanish manufacturing: the exponential model," UC3M Working papers. Economics we1030, Universidad Carlos III de Madrid. Departamento de Economía.
    9. Susanne Koschker & Dominik Möst, 2016. "Perfect competition vs. strategic behaviour models to derive electricity prices and the influence of renewables on market power," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 38(3), pages 661-686, July.
    10. Chiara Lo Prete and Benjamin F. Hobbs, 2015. "Market power in power markets: an analysis of residual demand curves in Californias day-ahead energy market (1998-2000)," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2).
    11. Lundin, Erik & Tangerås, Thomas, 2017. "Cournot Competition in Wholesale Electricity Markets: The Nordic Power Exchange, Nord Pool," Working Paper Series 1191, Research Institute of Industrial Economics.
    12. Ogura, Yoshiaki, 2012. "Lending competition and credit availability for new firms: Empirical study with the price cost margin in regional loan markets," Journal of Banking & Finance, Elsevier, vol. 36(6), pages 1822-1838.

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