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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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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 2008/11.

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Date of creation: Feb 2008
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Handle: RePEc:ise:isegwp:wp112008

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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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