Vertically integrated firms' investments in electricity generating capacities
We compare investments in generating capacities of an integrated monopolist with the aggregate investments of two vertically integrated competing firms. The firms invest in their capacity and fix the retail price while electricity demand is uncertain. The wholesale price is determined in a unit price auction where the firms know the level of demand when they bid their capacities. Total capacities can be larger or smaller with a duopoly than with a monopoly. If the two firms select the Pareto dominant equilibrium, then the retail price is always higher and the social welfare lower in the duopoly case.
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References listed on IDEAS
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- Von der Fehr, N.H.M. & Harbord, D., 1992.
"Spot Market Competition in the UK Electricity Industry,"
09/1992, Oslo University, Department of Economics.
- von der Fehr, Nils-Henrik Morch & Harbord, David, 1993. "Spot Market Competition in the UK Electricity Industry," Economic Journal, Royal Economic Society, vol. 103(418), pages 531-46, May.
- Castro-Rodriguez, Fidel & Marín, Pedro L. & Siotis, Georges, 2009.
"Capacity choices in liberalised electricity markets,"
Elsevier, vol. 37(7), pages 2574-2581, July.
- Castro-Rodriguez, Fidel & Marín Uribe, Pedro Luis & Siotis, Georges, 2001. "Capacity Choices in Liberalized Electricity Markets," CEPR Discussion Papers 2998, C.E.P.R. Discussion Papers.
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