The Cost Efficiency of the Brazilian Electricity Distribution Utilities: A Comparison of Bayesian SFA and DEA Models

The purpose of this study is to evaluate the efficiency indices for 60 Brazilian electricity distribution utilities. These scores are obtained by DEA (Data Envelopment Analysis) and Bayesian Stochastic Frontier Analysis models, two techniques that can reduce the information asymmetry and improve the...

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Published in:Mathematical Problems in Engineering 2010-01, Vol.2010 (1), p.957-976-157
Main Authors: Pereira de Souza, Marcus Vinicius, Diallo, Madiagne, Castro Souza, Reinaldo, Baidya, Tara Keshar Nanda
Format: Article
Language:English
Subjects:
Asymmetry
Bayesian analysis
Brazil
Cluster analysis
Computational efficiency
Computing time
Conjoint analysis
Control
Cost analysis
Costs
Data analysis
Data envelopment analysis
Discounted cash flow
Efficiency
Electric power distribution
Electric utilities
Electricity
Linear programming
Mathematical models
Outliers (statistics)
Skewed distributions
Studies
Utilities
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description The purpose of this study is to evaluate the efficiency indices for 60 Brazilian electricity distribution utilities. These scores are obtained by DEA (Data Envelopment Analysis) and Bayesian Stochastic Frontier Analysis models, two techniques that can reduce the information asymmetry and improve the regulator's skill to compare the performance of the utilities, a fundamental aspect in incentive regulation schemes. In addition, this paper also addresses the problem of identifying outliers and influential observations in deterministic nonparametric DEA models.
doi_str_mv 10.1155/2010/593059
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source Open Access: Wiley-Blackwell Open Access Journals; Publicly Available Content Database; IngentaConnect Journals
subjects Asymmetry
Bayesian analysis
Brazil
Cluster analysis
Computational efficiency
Computing time
Conjoint analysis
Control
Cost analysis
Costs
Data analysis
Data envelopment analysis
Discounted cash flow
Efficiency
Electric power distribution
Electric utilities
Electricity
Linear programming
Mathematical models
Outliers (statistics)
Skewed distributions
Studies
Utilities
title The Cost Efficiency of the Brazilian Electricity Distribution Utilities: A Comparison of Bayesian SFA and DEA Models
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