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The impact of regulation on pricing behavior in the Spanish electricity market (2002–2005)

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  • Ciarreta, Aitor
  • Espinosa, María Paz

Abstract

In this paper we measure the impact of regulatory measures which affected the Spanish electricity wholesale market between 2002 and 2005. Our approach is based on the fact that regulation changes incentives for firms and therefore their market behavior. In the absence of any regulation, firms would choose profit-maximizing prices on their residual demands so that the observed gap between optimal and actual prices provides a measure of the effect of regulation. Our results indicate that regulation has decreased wholesale prices considerably, but became less effective at the end of the sample period which explains the regulatory regime change introduced in 2006.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 34 (2012)
Issue (Month): 6 ()
Pages: 2039-2045

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Handle: RePEc:eee:eneeco:v:34:y:2012:i:6:p:2039-2045

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Web page: http://www.elsevier.com/locate/eneco

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Keywords: Electricity markets; Market power; Regulation;

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  1. Espinosa Alejos, María Paz & Ciarreta Antuñano, Aitor, 2005. "A Supply Function Competition Model for the Spanish Wholesale Electricity Market," DFAEII Working Papers 2005-18, University of the Basque Country - Department of Foundations of Economic Analysis II.
  2. Frank A. Wolak, 2003. "Measuring Unilateral Market Power in Wholesale Electricity Markets: The California Market, 1998–2000," American Economic Review, American Economic Association, vol. 93(2), pages 425-430, May.
  3. Crampes , C. & Fabra , N., 2005. "The Spanish Electricity Industry: Plus ça change …," Cambridge Working Papers in Economics 0502, Faculty of Economics, University of Cambridge.
  4. Espinosa Alejos, María Paz & Ciarreta Antuñano, Aitor, 2004. "Market Power in the Spanish Electricity Auction," DFAEII Working Papers 2005-04, University of the Basque Country - Department of Foundations of Economic Analysis II.
  5. Green, Richard J, 1996. "Increasing Competition in the British Electricity Spot Market," Journal of Industrial Economics, Wiley Blackwell, vol. 44(2), pages 205-16, June.
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  8. Furió, Dolores & Lucia, Julio J., 2009. "Congestion management rules and trading strategies in the Spanish electricity market," Energy Economics, Elsevier, vol. 31(1), pages 48-60, January.
  9. Vitor Marques & Isabel Soares & Adelino Fortunato, 2008. "Measuring market power in the Iberian electricity wholesale market through the residual demand curve," CEF.UP Working Papers 0801, Universidade do Porto, Faculdade de Economia do Porto.
  10. Frank Wolak, 2000. "An Empirical Analysis of the Impact of Hedge Contracts on Bidding Behavior in a Competitive Electricity Market," International Economic Journal, Taylor & Francis Journals, vol. 14(2), pages 1-39.
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  14. Green, Richard, 1999. "The Electricity Contract Market in England and Wales," Journal of Industrial Economics, Wiley Blackwell, vol. 47(1), pages 107-24, March.
  15. Tamaschke, R. & Docwra, G. & Stillman, R., 2005. "Measuring market power in electricity generation: A long-term perspective using a programming model," Energy Economics, Elsevier, vol. 27(2), pages 317-335, March.
  16. Severin Borenstein & James B. Bushnell & Frank A. Wolak, 2002. "Measuring Market Inefficiencies in California's Restructured Wholesale Electricity Market," American Economic Review, American Economic Association, vol. 92(5), pages 1376-1405, December.
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Citations

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Cited by:
  1. Shawkat Hammoudeh & Duc Khuong Nguyen & Ricardo M. Sousa, 2014. "What explains the short-term dynamics of the prices of CO2 emissions?," NIPE Working Papers 04/2014, NIPE - Universidade do Minho.
  2. Shawkat Hammoudeh & Amine Lahiani & Duc Khuong Nguyen & Ricardo M. Sousa, 2014. "Asymmetric and nonlinear pass-through of energy prices to CO2 emission allowance prices," NIPE Working Papers 05/2014, NIPE - Universidade do Minho.
  3. Moutinho, Victor & Moreira, António C. & Mota, Jorge, 2014. "Do regulatory mechanisms promote competition and mitigate market power? Evidence from Spanish electricity market," Energy Policy, Elsevier, vol. 68(C), pages 403-412.
  4. Espinosa Alejos, María Paz, 2013. "Understanding Tariff Deficit and its Challenges," DFAEII Working Papers DFAEII;2013-01, University of the Basque Country - Department of Foundations of Economic Analysis II.

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