Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Tuesday, May 31, 2011

Dynamic Competition in Electricity Markets: Hydroelectric and Thermal Generation

Posted by D. Daniel Sokol

Talat S. Genc (Department of Economics,University of Guelph) and Henry Thille (Department of Economics, University of Guelph) analyze Dynamic Competition in Electricity Markets: Hydroelectric and Thermal Generation.

ABSTRACT: We study competition between hydro and thermal electricity generators that face uncertainty over demand and water flows where the hydro generator is constrained by water flows and the thermal generator by capacity. We compute the Feedback equilibrium for the in?nite horizon game and show that there can be strategic withholding of water by the hydro generator. When water inflow is relatively low, however, the hydro generator may use more water than efficient as it faces an inefficiently low shadow price of water in this case. The inefficiency of the market outcome is tempered by the capacity constraints: for a large range of possible thermal production capacities and water flow levels, welfare loss under the duopoly market structure is much less than would occur in the absence of water and capacity constraints.

http://lawprofessors.typepad.com/antitrustprof_blog/2011/05/dynamic-competition-in-electricity-markets-hydroelectric-and-thermal-generation-.html

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