Browsen in EconStor gesamt nach Autor:innen Wetzel, Heike


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ErscheinungsjahrTitelAutor:innen
2006Economies of scope in European railways: an efficiency analysisGrowitsch, Christian; Wetzel, Heike
2006Verbundvorteile für den Börsengang der Deutschen Bahn ausreichend berücksichtigt?Growitsch, Christian; Wetzel, Heike
2006Economies of Scope in European Railways: An Efficiency AnalysisWetzel, Heike; Growitsch, Christian
2007Testing for economies of scope in European railways: an effciency analysisGrowitsch, Christian; Wetzel, Heike
2007The difficulty to behave as a (regulated) natural monopolist: the dynamics of electricity network access charges in Germany 2002 to 2005Wein, Thomas; Wetzel, Heike
2008Productivity growth in European railways: technological progress, efficiency change and scale effectsWetzel, Heike
2008European railway deregulation: the influence of regulatory and environmental conditions on efficiencyWetzel, Heike
2009The efficiency of German public theaters: a stochastic frontier analysis approachLast, Anne-Kathrin; Wetzel, Heike
2009Effizienzmessverfahren: eine EinführungLast, Anne-Kathrin; Wetzel, Heike
2010Efficiency effects of quality of service and environmental factors: Experience from Norwegian electricity distributionGrowitsch, Christian; Jamasb, Tooraj; Wetzel, Heike
2010Baumol's cost-disease, efficiency, and productivity in the performing arts: An analysis of German public theatersLast, Anne-Kathrin; Wetzel, Heike
2011Transport and CO2: Productivity Growth and Carbon Dioxide Emissions in the European Commercial Transport IndustryKrautzberger, Lisann; Wetzel, Heike
2011Competing in the higher education market: Empirical evidence for economies of scale and scope in German higher education institutionsOlivares, Maria; Wetzel, Heike
2013The Impact of Ownership Unbundling on Cost Efficiency: Empirical Evidence from the New Zealand Electricity Distribution SectorFilippini, Massimo; Wetzel, Heike
2013The Costs of Power Interruptions in Germany - an Assessment in the Light of the EnergiewendeGrowitsch, Christian; Malischek, Raimund; Nick, Sebastian; Wetzel, Heike
2014The hidden cost of investment: The impact of adjustment cost on firm performance measurement and regulationNick, Sebastian; Wetzel, Heike
2014Investigating the influence of firm characteristics on the ability to exercise market power: A stochastic frontier analysis approach with an application to the iron ore marketGermeshausen, Robert; Panke, Timo; Wetzel, Heike
2014Investigating the influence of firm characteristics on the ability to exercise market power: A stochastic frontier analysis approach with an application to the iron ore marketGermeshausen, Robert; Panke, Timo; Wetzel, Heike
2014Energy prices,technological knowledge and green energy innovation: A dynamic panel analysis of patent countsKruse, Jürgen; Wetzel, Heike
2016Innovation in clean coal technologies: Empirical evidence from firm-level patent dataKruse, Jürgen; Wetzel, Heike