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Economies of scope in European railways : an efficiency analysis
Growitsch, Christian; Wetzel, Heike - 2006
Persistent link: https://www.econbiz.de/10004880531
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Testing for Economies of Scope in European Railways : an effciency analysis
Growitsch, Christian; Wetzel, Heike - 2008
Persistent link: https://www.econbiz.de/10004900556
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Productivity growth in European railways : technological progress, efficiency change and scale effects
Wetzel, Heike - 2008
Persistent link: https://www.econbiz.de/10004924222
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Auf der Speisekarte der DPAG: rechtliche oder ökonomische Marktzutrittsschranken?
Wein, Thomas - 2009
Persistent link: https://www.econbiz.de/10004941239
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Die Forschungspotenziale der Betriebspaneldaten des Monatsberichts im Verarbeitenden Gewerbe
Wagner, Joachim - 2007
Persistent link: https://www.econbiz.de/10004449674
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Subsidies and exports in Germany : first evidence from enterprise panel data
Girma, Sourafel; Görg, Holger; Wagner, Joachim - 2009
Persistent link: https://www.econbiz.de/10004906716
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Product diversification and stability of employment and sales : first evidence from German manufacturing firms
Braakmann, Nils; Wagner, Joachim - 2009
Persistent link: https://www.econbiz.de/10004906718
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Import, Export und Produktivität in niedersächsischen Unternehmen des Verarbeitenden Gewerbes
Vogel, Alexander; Wagner, Joachim - 2009
Persistent link: https://www.econbiz.de/10004906720
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Entry, exit and productivity : empirical results for German manufacturing industries
Wagner, Joachim - 2007
Persistent link: https://www.econbiz.de/10004878439