Efficiency of Brazilian public and private water utilities
This paper compares cost efficiencies of Brazilian public and private companies of water supply. To measure efficiency a Cobb-Douglas stochastic cost frontier model including technical effects is estimated by maximum likelihood to a panel of Brazilian firms for the period 2002 -2004. The statistical...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade de São Paulo
2008-12-01
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| Series: | Estudos Econômicos |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-41612008000400008 |