Browsing All of EconStor by Author Cullmann, Astrid

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Year of PublicationTitleAuthor(s)
2005 Efficiency Analysis of German Electricity Distribution Utilities : Non-Parametric and Parametric Testsvon Hirschhausen, Christian R.; Cullmann, Astrid
2006 Efficiency Analysis of East European Electricity Distribution in Transition: Legacy of the Past?Cullmann, Astrid; Apfelbeck, Jürgen; von Hirschhausen, Christian R.
2007 From transition to competition: dynamic efficiency analysis of Polish electricity distribution companiesCullmann, Astrid; von Hirschhausen, Christian R.
2008 Key parameters and efficiency of Mexican manufacturing: Are there still differences between the north and the south? An application of nested and stochastic frontier panel data modelsBraun, Frauke G.; Cullmann, Astrid
2008 Potential gains from mergers in local public transport: an efficiency analysis applied to GermanyWalter, Matthias; Cullmann, Astrid
2008 International benchmarking in electricity distribution: a comparison of French and German utilitiesCullmann, Astrid; Crespo, Hélène; Plagnet, Marie-Anne
2008 Next stop: restructuring? A nonparametric efficiency analysis of German public transport companiesvon Hirschhausen, Christian R.; Cullmann, Astrid
2009 Overcoming data limitations in nonparametric benchmarking: applying PCA-DEA to natural gas transmissionNieswand, Maria; Cullmann, Astrid; Neumann, Anne
2009 The globalization of steam coal markets and the role of logistics: an empirical analysisZaklan, Aleksandar; Cullmann, Astrid; Neumann, Anne; von Hirschhausen, Christian R.
2009 Benchmarking and firm heterogeneity in electricity distribution: a latent class analysis of GermanyCullmann, Astrid
2009 Innovation, R&D efficiency and the impact of the regulatory environment: a two stage semi-parametric DEA approachCullmann, Astrid; Schmidt-Ehmcke, Jens; Zloczysti, Petra
2009 Unobserved heterogeneity and international benchmarking in public transportCullmann, Astrid; Farsi, Mehdi; Filippini, Massimo
2009 Innovationsindikator 2009: Deutschland hat AufholbedarfBelitz, Heike; Clemens, Marius; Cullmann, Astrid; von Hirschhausen, Christian; Schmidt-Ehmcke, Jens; Triebe, Doreen; Zloczysti, Petra
2009 Wie effizient werden die Forschungsausgaben im internationalen Vergleich eingesetzt?Cullmann, Astrid; Schmidt-Ehmcke, Jens; Zloczysti, Petra
2009 Fallende Preise in der Wasserwirtschaft: Hessen auf dem Vormarschvon Hirschhausen, Christian; Cullmann, Astrid; Walter, Matthias; Zschille, Michael
2009 Innovationsindikator Deutschland 2009von Hirschhausen, Christian; Belitz, Heike; Clemens, Marius; Cullmann, Astrid; Schmidt-Ehmcke, Jens; Zloczysti, Petra
2010 Innovation Indicator 2009: Germany Has Still Some Catching up to DoBelitz, Heike; Clemens, Marius; Cullmann, Astrid; von Hirschhausen, Christian; Schmidt-Ehmcke, Jens; Triebe, Doreen; Zloczysti, Petra
2010 Overcoming Data Limitations in Nonparametric Benchmarking: Applying PCA-DEA to Natural Gas TransmissionNieswand, Maria; Cullmann, Astrid; Neumann, Anne
2012 Socio-Economic Trends and New Territorial Dynamics in the European Union : Convergence and AgglomerationCullmann, Astrid; Geppert, Kurt
2014 Technical efficiency and CO2 reduction potentials: An analysis of the German electricity generating sectorSeifert, Stefan; Cullmann, Astrid; von Hirschhausen, Christian