In: Journal of Regulatory Economics, 2005, vol. 28, no. 1, p. 69-90
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In: Energy Economics, 2007, vol. 29, no. 1, p. 64-78
This paper studies the cost structure of gas distribution utilities in Switzerland. Three stochastic frontier models are applied to a panel of 26 companies operating from 1996 to 2000. Efficiency is assumed to be constant over time. The analysis highlights the importance of output characteristics such as customer density and network size. The results suggest that the utilities could slightly...
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In: Journal of Regulatory Economics, 2005, vol. 28, no. 1, p. 69-90
The persistence of increasingly high government subsidies in Switzerland’s railroads has led the federal and cantonal authorities to discussing the possibility of high-powered incentive contracts such as those based on cost efficiency benchmarking. Railways are however, characterized by a high degree of unobserved heterogeneity that could bias the efficiency estimates. This paper examines the...
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