This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The analysis is based on survey data from German companies, which are combined with EPO...

In contrast to the long tradition of empirical research into the innovation activities and R&D collaboration of companies, the issue of standardisation has been analysed mostly in theoretical approaches. This paper presents an empirical analysis of the participation of German companies in formal...

This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The investigation is based on survey and patent data from German companies. We find clear...

Die Arbeit wurde von der Wirtschaftswissenschaftlichen Fakultät der Universität Freiburg mit dem Friedrich August von Hayek-Preis 1996 ausgezeichnet. Das Informations- und Kommunikationszeitalter löst neue Risiken für die Datensicherheit von Kommunikationsverbindungen und damit...

The paper analyses for the first time empirically the impact of foreign competition due to inward foreign direct investment and imports on the innovation activities using data of German service firms. Based on the hypothesis that foreign competition has a disciplining effect on domestic markets...