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Computable Equilibrium Models and the Restructuring of the European Electricity and Gas Markets

Abstract:
More regulation, not less, is temporarily necessary, if effective, competition is to be established in network industries. This paradox places new requirements on computable models: they should provide realistic descriptions of technologies but also of markets and institutions. Industrial economics and computation of economic equilibrium can help achieve this dual requirement. This paper discusses their potential in the context of the deregulation of the European gas and electricity sectors. Some key elements of the European legislative process are first presented in order to point out the diversity of institutions that can emerge and to highlight the need to model institutions. Perfect competition equilibrium models although institutionally poor are argued to be useful for ex post analysis. Applications of the standard Cournot and' Bertrand paradigms in ex ante analysis of gas and electricity markets are reviewed next. Models combining market power and externalities are then discussed with reference to electricity restructuring. Finally multistage equilibrium models are introduced in the context of investment in gas and electricity. Computation remarks conclude the paper.

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Energy Specializations: Energy Modeling – Energy Data, Modeling, and Policy Analysis; Electricity – Markets and Prices ; Electricity – Policy and Regulation

JEL Codes:
E61 - Policy Objectives; Policy Designs and Consistency; Policy Coordination
D42 - Market Structure, Pricing, and Design: Monopoly
E60 - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook: General

Keywords: CGE models, Electricity, Natural gas, Network industries, Restructuring, Europe, Cournot, Bertrand

DOI: 10.5547/ISSN0195-6574-EJ-Vol18-No4-1


Published in Volume18, Number 4 of The Quarterly Journal of the IAEE's Energy Economics Education Foundation.