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Identification of Segments of Thermo Energy Plants with a Latent Class Model

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Author Info
Carlos Pestana Barros

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Abstract

This paper identifies different groups in a cost function framework of thermo energy plants belonging to EDP-Electricity of Portugal. In particular, we have clustered the sample - comprising data for years 1987 to 2006 - into two groups. To do so, we have implemented a stochastic frontier latent class model, a procedure that also permits us to analyze also the efficiency of the thermo energy plants with respect to their own frontiers. The results reveal that some of the plants could improve their efficiency levels substantially.

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Publisher Info
Paper provided by Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon. in its series Working Papers with number 2008/16.

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Date of creation: Mar 2008
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Handle: RePEc:ise:isegwp:wp162008

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Postal: Department of Economics, School of Economics and Management (ISEG), Technical University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
Web page: http://www.iseg.utl.pt/departamentos/economia/

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Related research
Keywords: cost efficiency; latent class model; thermo energy plants; stochastic frontier.;

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  5. Jamasb, Tooraj & Mota, Raffaella & Newbery, David & Pollitt, Michael, 2005. "Electricity sector reform in developing countries : a survey of empirical evidence on determinants and performance," Policy Research Working Paper Series 3549, The World Bank. [Downloadable!]
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  6. Pollitt, Michael G, 1996. "Ownership and Efficiency in Nuclear Power Production," Oxford Economic Papers, Oxford University Press, vol. 48(2), pages 342-60, April. [Downloadable!] (restricted)
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  7. Jamasb, Tooraj & Pollitt, Michael, 2003. "International benchmarking and regulation: an application to European electricity distribution utilities," Energy Policy, Elsevier, vol. 31(15), pages 1609-1622, December. [Downloadable!] (restricted)
  8. Jara-Diaz, Sergio & Ramos-Real, Francisco Javier & Martinez-Budria, Eduardo, 2004. "Economies of integration in the Spanish electricity industry using a multistage cost function," Energy Economics, Elsevier, vol. 26(6), pages 995-1013, November. [Downloadable!] (restricted)
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  12. L. Dean Hiebert, 2002. "The Determinants of the Cost Efficiency of Electric Generating Plants: A Stochastic Frontier Approach," Southern Economic Journal, Southern Economic Association, vol. 68(4), pages 935-946, April.
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  14. Vaninsky, Alexander, 2006. "Efficiency of electric power generation in the United States: Analysis and forecast based on data envelopment analysis," Energy Economics, Elsevier, vol. 28(3), pages 326-338, May. [Downloadable!] (restricted)
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  16. Andrew N. Kleit & Dek Terrell, 2001. "Measuring Potential Efficiency Gains From Deregulation Of Electricity Generation: A Bayesian Approach," The Review of Economics and Statistics, MIT Press, vol. 83(3), pages 523-530, August. [Downloadable!] (restricted)
  17. Mehdi Farsi & Massimo Filippini, 2004. "Regulation and Measuring Cost-Efficiency with Panel Data Models: Application to Electricity Distribution Utilities," Review of Industrial Organization, Springer, vol. 25(1), pages 1-19, 08. [Downloadable!]
  18. Raczka, Jan, 2001. "Explaining the performance of heat plants in Poland," Energy Economics, Elsevier, vol. 23(4), pages 355-370, July. [Downloadable!] (restricted)
  19. Nakano, Makiko & Managi, Shunsuke, 2008. "Regulatory reforms and productivity: An empirical analysis of the Japanese electricity industry," Energy Policy, Elsevier, vol. 36(1), pages 201-209, January. [Downloadable!] (restricted)
  20. Antonio Estache & MartÌn A. Rossi & Christian A. Ruzzier, 2004. "The Case for International Coordination of Electricity Regulation: Evidence from the Measurement of Efficiency in South America," Journal of Regulatory Economics, Springer, vol. 25(3), pages 271-295, 05. [Downloadable!]
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  21. Filippini, Massimo, 1996. "Economies of Scale and Utilization in the Swiss Electric Power Distribution Industry," Applied Economics, Taylor and Francis Journals, vol. 28(5), pages 543-50, May. [Downloadable!] (restricted)
  22. Bauer, Paul W. & Berger, Allen N. & Ferrier, Gary D. & Humphrey, David B., 1998. "Consistency Conditions for Regulatory Analysis of Financial Institutions: A Comparison of Frontier Efficiency Methods," Journal of Economics and Business, Elsevier, vol. 50(2), pages 85-114, March. [Downloadable!] (restricted)
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