evidence about the policy-induced development of environmentally friendly technology. I use patent data from 1976 to 1997 for … patent over time in one country (such as changes in patenting laws and of course economic growth), I regard the ratio of … mere patent counts.1 I find that energy prices (as a demand-side factor that influences the value of new innovations) have …

- Handelsgesetzbuch (HGB)) and international (IAS and US-GAAP) accounting information, as well as European patent data to explain the …

that collaborating firms are more likely to patent than others. Within the group of collaborating firms, participants in … publicly sponsored R&D consortia exhibit a higher propensity to patent than firms in non-sponsored networks. Especially SMEs …

collaboration and subsidies as heterogeneous treatments, and perform an econometric matching to analyze patent activity at the firm … exhibit a significant impact on patent activity, but the innovative performance could be improved by additional incentives for …

on the effects of the patent stock on profitability. The data base is a representative sample of German manufacturing … patent stock has a strong and robust effect on profitability. …

main focus is the direct impact of subsidies on R&D and the indirect effect on innovation output measured by patent … of a patent production function. It turns out that both purely privately financed R&D and publicly induced R&D show a …

empirical study on the determinants of innovative activity measured by patent applications are presented. A sample of German …

This paper presents an empirical analysis of the determinants of patent litigation in Germany, based on information … analysis show that relatively valuable patents are more likely to be involved in litigation cases than the average patent … than patents which have not been opposed. Patent owner?s ability to trade patents with potential infringers and to interact …

relationship using panel data on German start-up firms as well as German patent data. It employs different indicators of patenting …