Jens Schmidt-Ehmcke

发表

Deficits in Education Endanger Germany's Innovative Capacity

Axel Werwatz, Heike Belitz, Stephanie Schneider, 2008 .

Innovative Activity in Renewable Energy Technologies: Empirical Evidence on Knowledge Spillovers Using Patent Data

Frauke G. Braun, Petra Zloczysti, Jens Schmidt-Ehmcke, 2009 .

Research Efficiency in Manufacturing: An Application of DEA at the Industry Level

Petra Zloczysti, Jens Schmidt-Ehmcke, Jens Schmidt-Ehmcke, 2009 .

Innovation Indicator 2009: Germany Has Still Some Catching up to Do

Christian von Hirschhausen, Heike Belitz, Petra Zloczysti, 2010 .

Industries at the World Technology Frontier: Measuring R&D Efficiency in a Non-Parametric Dea Framework

Petra Zloczysti, Jens Schmidt-Ehmcke, 2011 .

An Indicator for National Systems of Innovation

Axel Werwatz, Christian von Hirschhausen, Heike Belitz, 2011 .

Innovative Activity in Wind and Solar Technology: Empirical Evidence on Knowledge Spillovers Using Patent Data

Frauke G. Braun, Petra Zloczysti, Jens Schmidt-Ehmcke, 2010 .

R&D Efficiency and Barriers to Entry: A Two Stage Semi-Parametric DEA Approach

Petra Zloczysti, Astrid Cullmann, Jens Schmidt-Ehmcke, 2010 .