We evaluate the impact of cooperation with public research institutions on firms' inno-vative activities in France and Germany, using data from the fourth Community Innova-tion Survey (CIS4). We propose an original econometric methodology, which explicitly takes into account potential estimation...

Innovation activities in the German enterprise sector showed two opposing trends over the past two decades: While total innovation expenditures grew substantially, the number of firms conducting innovation activities fell sharply. Innovation expenditures hence concentrate on fewer firms. In this...

Previous research has expressed concerns about firms engaging less in basic research. We contribute to this debate by studying trends in the scientific publishing activities of firms located in Germany. Our results do not confirm a declining trend in raw numbers with numbers indicating that...

The following article systematically analyzes the question of how the results of R&D and its protection - or so to say, the technology base of a firm - can influence its mar-ket value and profits. Based on theoretical arguments it is hypothesized that large and highly valuable patent portfolios...