Retail Electricity Competition
AbstractWe analyze a number of unstudied aspects of retail electricity competition. We first explore the implications of load profiling of consumers whose traditional meters do not allow for measurement of their real time consumption, when consumers are homogeneous up to a scaling factor. In general, the combination of retail competition and load profiling does not yield the second best prices given the non price responsiveness of consumers. Specifically, the competitive equilibrium does not support the Ramsey two-part tariff. By contrast, when consumers have real time meters and are billed based on real time prices and consumption, retail competition yields the Ramsey prices even when consumers can only partially respond to variations in real time prices. More complex consumer heterogeneity does not lead to adverse se1ection and competitive screening behavior unless consumers have real time meters and are not rational. We then examine the incentives competitive retailers have to install one of two types of advanced metering equipment. Competing retailers overinvest in real time meters compared to the Ramsey optimum, but the investment incentives are constrained optimal given load-profiling and retail competition. Finally, we consider the effects of physical limitations on the ability of system operators to cut off individual customers. Competing retailers have no incentive to determine the aggregate value of non-interruption of consumers in the zones they serve, preferring instead to free ride on other retailers serving consumers in the same zones.
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Bibliographic InfoPaper provided by Institut d'Économie Industrielle (IDEI), Toulouse in its series IDEI Working Papers with number 311.
Date of creation: Oct 2004
Date of revision:
Publication status: Published in The RAND Journal of Economics, vol.�37, n°4, 2006, p.�799-815.
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Other versions of this item:
- Paul L. Joskow & Jean Tirole, 2004. "Retail Electricity Competition," NBER Working Papers 10473, National Bureau of Economic Research, Inc.
- Paul Joskow & Jean Tirole, 2004. "Retail Electricity Competition," Working Papers 0409, Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research.
- Joskow, P. & Tirole, J., 2004. "‘Retail Electricity Competition’," Cambridge Working Papers in Economics 0430, Faculty of Economics, University of Cambridge.
- L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
- L9 - Industrial Organization - - Industry Studies: Transportation and Utilities
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- Joskow, Paul & Tirole, Jean, 2004. "Reliability and Competitive Electricity Markets," IDEI Working Papers 310, Institut d'Économie Industrielle (IDEI), Toulouse.
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