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Universität zu Köln
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Universität zu Köln
Energiewirtschaftliches Institut (EWI), Universität Köln
EWI-Arbeitspapiere, Energiewirtschaftliches Institut, Universität Köln
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2011
Transport and CO2: Productivity Growth and Carbon Dioxide Emissions in the European Commercial Transport Industry
Krautzberger, Lisann
;
Wetzel, Heike
2014
The hidden cost of investment: The impact of adjustment cost on firm performance measurement and regulation
Nick, Sebastian
;
Wetzel, Heike
2014
Investigating the influence of firm characteristics on the ability to exercise market power: A stochastic frontier analysis approach with an application to the iron ore market
Germeshausen, Robert
;
Panke, Timo
;
Wetzel, Heike
2010
Efficiency effects of quality of service and environmental factors: Experience from Norwegian electricity distribution
Growitsch, Christian
;
Jamasb, Tooraj
;
Wetzel, Heike
2017
Competition and regulation as a means of reducing CO2 emissions: Experience from U.S. fossil fuel power plants
Growitsch, Christian
;
Paulus, Simon
;
Wetzel, Heike
2016
Innovation in clean coal technologies: Empirical evidence from firm-level patent data
Kruse, Jürgen
;
Wetzel, Heike
2014
Energy prices,technological knowledge and green energy innovation: A dynamic panel analysis of patent counts
Kruse, Jürgen
;
Wetzel, Heike
2013
The Impact of Ownership Unbundling on Cost Efficiency: Empirical Evidence from the New Zealand Electricity Distribution Sector
Filippini, Massimo
;
Wetzel, Heike
2013
The Costs of Power Interruptions in Germany - an Assessment in the Light of the Energiewende
Growitsch, Christian
;
Malischek, Raimund
;
Nick, Sebastian
;
Wetzel, Heike
2020
Distributed generation and cost efficiency of German electricity distribution network operators
Just, Lisa
;
Wetzel, Heike
Author
3
Growitsch, Christian
2
Kruse, Jürgen
2
Nick, Sebastian
1
Filippini, Massimo
1
Germeshausen, Robert
1
Jamasb, Tooraj
1
Just, Lisa
1
Krautzberger, Lisann
1
Malischek, Raimund
1
Panke, Timo
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