Dachs, Bernhard (contributor); … - 2004 - [Elektronische Ressource]
Finland, Technology Studies, Espoo, Finland. Email: bernd.ebersberger@vtt.fi
3)
University of Augsburg, Department of … Economics. Email: andreas.pyka@wiwi.uni-augsburg.de
The authors want to thank Mikael Åkerblom, Olavi Lehtoranta (Statistics …