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Análisis de la competencia en un mercado mayorista de electricidad: el caso de España

  • Ciro Eduardo Bazán Navarro

    ()

    (Universidad de Las Palmas de Gran Canaria; Facultad de Ciencias Eonómicas y Empresariales; Departamento de Análisis Económico Aplicado; C/ Saulo Torón 4, 35017 Las Palmas de G.C. España)

En este trabajo se analiza el comportamiento competitivo de las cuatro principales empresas generadoras que operan en el mercado mayorista de electricidad español, centrando el análisis en la producción de sus centrales térmicas durante 2001. Los objetivos de este trabajo son: estimar si el comportamiento estratégico que adoptan dichas empresas se puede aproximar mejor mediante un modelo estático o mediante uno dinámico, que resulta de una interacción repetitiva que se da durante un periodo temporal indefinido; así como determinar si las empresas analizadas ejercen poder de mercado, en particular si compiten a la Cournot o con algún grado de colusión implícita. Los resultados obtenidos permiten extraer las siguientes conclusiones: el comportamiento de las empresas generadoras analizadas se puede caracterizar mejor mediante un modelo dinámico, dichas empresas se encuentran comprometidas bajo un grado de colusión inferior al grado de colusión implícita perfecta, y el comportamiento colusivo se mantiene estable en el tiempo gracias a que las empresas realizan ajustes en su producción para disminuir el precio de equilibrio del mercado a niveles menores al precio que correspondería a una colusión perfecta.

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Paper provided by Facultad de Ciencias Económicas de la ULPGC in its series Documentos de trabajo conjunto ULL-ULPGC with number 2004-04.

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Length: 49 pages
Date of creation: Apr 2004
Date of revision:
Handle: RePEc:can:series:2004-04
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  1. Mark Armstrong & Simon Cowan & John Vickers, 1994. "Regulatory Reform: Economic Analysis and British Experience," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262510790, June.
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  7. Borenstein, Severin & Bushnell, James & Knittel, Chris, 1999. "Market Power in Electricity Markets: Beyond Concentration Measures," Staff General Research Papers 31548, Iowa State University, Department of Economics.
  8. Brock, William A & Scheinkman, Jose A, 1985. "Price Setting Supergames with Capacity Constraints," Review of Economic Studies, Wiley Blackwell, vol. 52(3), pages 371-82, July.
  9. Rotemberg, Julio J & Saloner, Garth, 1986. "A Supergame-Theoretic Model of Price Wars during Booms," American Economic Review, American Economic Association, vol. 76(3), pages 390-407, June.
  10. Green, Edward J. & Porter, Robert H., 1982. "Noncooperative Collusion Under Imperfect Price Information," Working Papers 367, California Institute of Technology, Division of the Humanities and Social Sciences.
  11. Bresnahan, Timothy F., 1989. "Empirical studies of industries with market power," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 2, chapter 17, pages 1011-1057 Elsevier.
  12. Green, Richard J & Newbery, David M, 1992. "Competition in the British Electricity Spot Market," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 929-53, October.
  13. Borenstein, Severin & Bushnell, James & Kahn, Edward & Stoft, Steven, 1995. "Market power in California electricity markets," Utilities Policy, Elsevier, vol. 5(3-4), pages 219-236.
  14. Frank A. Wolak & Robert H. Patrick, 2001. "The Impact of Market Rules and Market Structure on the Price Determination Process in the England and Wales Electricity Market," NBER Working Papers 8248, National Bureau of Economic Research, Inc.
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  16. Corts, Kenneth S., 1998. "Conduct parameters and the measurement of market power," Journal of Econometrics, Elsevier, vol. 88(2), pages 227-250, November.
  17. Elena Huergo, 2005. "El diagnóstico de poder de mercado en Economía Industrial: Una revisión de la literatura empírica española del siglo XX," Industrial Organization 0504003, EconWPA.
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