European Railway Deregulation: The Influence of Regulatory and Environmental Conditions on Efficiency
The objective of this paper is to analyze the impact of regulatory and environmental conditions on technical effciency of European railways. Using a panel data set of 31 railway firms from 22 European countries from 1994 to 2005, a multioutput distance function model, including regulatory and environmental factors, is estimated using stochastic frontier analysis. The results obtained indicate positive and negative effciency effects of different regulatory reforms. Furthermore, estimating models with and without regulatory and environmental factors clearly indicates that the omission of environmental factors, such as network density, substantially changes parameter estimates and, hence, leads to biased estimation results.
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- Martin F. Quaas & Stefan Baumgärtner, 2006.
"The Private and Public Insurance Value of Conservative Biodiversity Management,"
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- Baumgärtner, Stefan & Quaas, Martin, 2005. "The private and public insurance value of conservative biodiversity management," UFZ Discussion Papers 27/2005, Helmholtz Centre for Environmental Research (UFZ), Division of Social Sciences (ÖKUS).
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