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An analysis of cost efficiency in Swiss multi-utilities

Farsi, Mehdi ; Filippini, Massino

In: Energy economics, 2009, vol. 31, no. 2, p. 306-315

This study presents an empirical analysis of the cost efficiency of a sample of Swiss multi-utilities operating in the distribution of electricity, natural gas and water. The multi-utilities that operate in different sectors are characterized by a strong unobserved heterogeneity. Therefore the measurement of their performance poses an important challenge for the regulators. The purpose of...