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The Effect of Divestitures in the German Electricity Market


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  • Weigt, H.
  • Willems, Bert

    (Tilburg University, Tilburg Law and Economics Center)


In most liberalized electricity markets, abuse of market power is a concern related to oligopolistic market structures, flaws in market architecture, and the specific characteristics of electricity generation and demand. Several methods have been suggested to improve the competitiveness of the liberalized electricity markets and to reallocate rents from generators to consumers. In this paper we study to what extend divestitures can improve the competitiveness of the electricity market. We quantify the expected developments under different divestiture scenarios for the German market, using Cournot and Supply Function Equilibrium simulations. We find an overall welfare gain in both models and show that those gains are highest if the divested assets are sold to independent and small firms, preventing the formation of additional firms that set prices strategically.

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Bibliographic Info

Paper provided by Tilburg University, Tilburg Law and Economic Center in its series Discussion Paper with number 2011-020.

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Date of creation: 2011
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Handle: RePEc:dgr:kubtil:2011020

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Keywords: Supply Function Equilibrium; Cournot competition; electricity markets; divestitures;

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  1. Green, Richard J & Newbery, David M, 1992. "Competition in the British Electricity Spot Market," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 929-53, October.
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