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Market Power In The England And Wales Wholesale Electricity Market 1995-2000

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  • Andrew Sweeting
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    Abstract

    This article shows that generators exercised considerable market power in the England and Wales wholesale electricity market in the late 1990s. This is surprising because static oligopoly models predict that falling market concentration should have reduced market power. The article tests the equilibrium assumption of these models that each generator's bids should maximise its short-run profits given the bids of other generators. It finds that the two largest generators could have profitably increased their output from the beginning of 1997. Their behaviour was consistent with tacit collusion. Copyright 2007 The Author(s). Journal compilation Royal Economic Society 2007.

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    Bibliographic Info

    Article provided by Royal Economic Society in its journal The Economic Journal.

    Volume (Year): 117 (2007)
    Issue (Month): 520 (04)
    Pages: 654-685

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    Handle: RePEc:ecj:econjl:v:117:y:2007:i:520:p:654-685

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    Cited by:
    1. Sherzod N. Tashpulatov, 2011. "Estimating the Volatility of Electricity Prices: The Case of the England and Wales Wholesale Electricity Market," CERGE-EI Working Papers wp439, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
    2. Meredith Fowlie & Mar Reguant & Stephen P. Ryan, 2012. "Market-Based Emissions Regulation and Industry Dynamics," NBER Working Papers 18645, National Bureau of Economic Research, Inc.
    3. Robert Ritz, 2013. "On welfare losses due to imperfect competition," Cambridge Working Papers in Economics 1334, Faculty of Economics, University of Cambridge.
    4. Federico Boffa & Viswanath Pingali, 2008. "MIncreasing Market Interconnection: an analysis of the Italian Electricity Spot Market," Working Papers 17-2008, Macerata University, Department of Studies on Economic Development (DiSSE), revised Nov 2008.
    5. Hesamzadeh, Mohammad R. & Biggar, Darryl R. & Hosseinzadeh, Nasser, 2011. "The TC-PSI indicator for forecasting the potential for market power in wholesale electricity markets," Energy Policy, Elsevier, vol. 39(10), pages 5988-5998, October.
    6. Richard Schmalensee, 2012. "“On a Level with Dentists?” Reflections on the Evolution of Industrial Organization," Review of Industrial Organization, Springer, vol. 41(3), pages 157-179, November.
    7. Holmberg, P. & Newbery, D & Ralph, D., 2008. "Supply Function Equilibria: Step Functions and Continuous Representations," Cambridge Working Papers in Economics 0863, Faculty of Economics, University of Cambridge.
    8. Ritz, R.A., 2012. "On welfare losses due to imperfect competition," Cambridge Working Papers in Economics 1234, Faculty of Economics, University of Cambridge.
    9. Giulietti, Monica & Grossi, Luigi & Waterson, Michael, 2009. "Price transmission in the UK electricity market : was NETA beneficial?," The Warwick Economics Research Paper Series (TWERPS) 913, University of Warwick, Department of Economics.
    10. Meredith Fowlie, 2008. "Incomplete Environmental Regulation, Imperfect Competition, and Emissions Leakage," NBER Working Papers 14421, National Bureau of Economic Research, Inc.
    11. Graf, Christoph & Wozabal, David, 2013. "Measuring competitiveness of the EPEX spot market for electricity," Energy Policy, Elsevier, vol. 62(C), pages 948-958.

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