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DateTitle Authors
2007 Testing for economies of scope in European railways: an effciency analysisGrowitsch, Christian / Wetzel, Heike
2013 Analyse der Effizienz einzelner Maßnahmen zur Reduzierung des CO2-Ausstoßes in der TransportlogistikSchirdewahn, Frederik
2013 Verkehrsinfrastruktur: Substanzerhaltung erfordert deutlich höhere InvestitionenKunert, Uwe / Link, Heike
2008 Potential gains from mergers in local public transport: an efficiency analysis applied to GermanyWalter, Matthias / Cullmann, Astrid
2014 Network unbundling and flawed coordination: Lessons from electricity and railwaysBrunekreeft, Gert
2006 Economies of scope in European railways: an efficiency analysisGrowitsch, Christian / Wetzel, Heike
2008 European railway deregulation: the influence of regulatory and environmental conditions on efficiencyWetzel, Heike
2008 Productivity growth in European railways: technological progress, efficiency change and scale effectsWetzel, Heike
2013 Transport infrastructure: Higher investments needed to preserve assetsKunert, Uwe / Link, Heike
2006 Economies of Scope in European Railways: An Efficiency AnalysisWetzel, Heike / Growitsch, Christian

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