Testing for Economies of Scope in European Railways: An Efficiency Analysis
In this paper, we conduct a pan-European effciency analysis to investigate the performance of European railways with a particular focus on economies of vertical integration. We test the hypothesis that integrated railways realize economies of scope and, thus, produce railway services with a higher level of effciency. To determine whether joint or separate production is more effcient, we apply a Data Envelopment Analysis super-effciency bootstrapping model which relates the ef- ficiency for integrated production to a reference set consisting of separated firms which use a di erent production technology. We find that for a majority of European railways economies of scope exist.
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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).
- Martin F. Quaas & Stefan Baumgärtner, 2006. "The Private and Public Insurance Value of Conservative Biodiversity Management," Working Paper Series in Economics 33, University of Lüneburg, Institute of Economics.
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