Showing 1 - 7 of 7
Persistent link: https://www.econbiz.de/10009745140
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the patent universe in its technological and economic variety. We introduce a novel instrumental variable for patent invalidation that exploits personnel scarcity in post-grant...
Persistent link: https://www.econbiz.de/10012139072
In this paper, we report results of an ongoing empirical analysis of firm dynamics in East Germany. After discussing specifics of a newly available data set with information on more than 100.000 firms, we analyze patterns of business starts and failures. Furthermore, we present preliminary...
Persistent link: https://www.econbiz.de/10011622666
In this paper we discuss determinants of firm survival and growth in Germany within its pre-1989 boundaries. We develop our central hypotheses on the basis of a simple theoretical model describing the self-selection of heterogeneous entrepreneurs into particular legal forms, and the implications...
Persistent link: https://www.econbiz.de/10011622932
Persistent link: https://www.econbiz.de/10013427924
Persistent link: https://www.econbiz.de/10014459913
We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation. Where licensing fails, follow-on innovation is...
Persistent link: https://www.econbiz.de/10014503038