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patent files. Other sources represent unintended knowledge spillovers, such as reverse engineering of technologies or hiring …
Persistent link: https://www.econbiz.de/10014311915
remaining career. We use European patent data for a period of 32 years for 1240 German inventors. The patent data are linked … of inventors applying for the first patent after completing education or being in the highest quartile of citations … received for the first patent. The higher career productivity seems to be a consequence of higher individual ability rather …
Persistent link: https://www.econbiz.de/10012510353
We analyze whether an informal second channel for communication can improve the efficiency of knowledge transfer in an electronic network of practice. We explore this question by analyzing the effect of chat rooms in the well-known Q&A forum Stack Overflow. We identify the causal effect using a...
Persistent link: https://www.econbiz.de/10012602739
Hidden Champions (HCs) are firms unknown to the wider public, but global leaders in the niche markets they serve. This paper looks at distinctive features of these firms, focusing on their dynamic capabilities. Employing a unique data base on German firms, we identify a representative sample of...
Persistent link: https://www.econbiz.de/10011997801
-ups with experienced inventors holding a patent at the time of receiving the first round of investment produce the largest …
Persistent link: https://www.econbiz.de/10011762520
Persistent link: https://www.econbiz.de/10014320953
representative panel data set of firms in Germany from 2002-2016, complemented by detailed geographic information of patent activity …
Persistent link: https://www.econbiz.de/10012167049
We study how profit taxation affects plants' R&D spending and innovation activities. Relying on geocoded survey panel data which approximately covers the universe of R&D-active plants in Germany, we exploit around 7,300 changes in the municipal business tax rate over the period 1987-2013 for...
Persistent link: https://www.econbiz.de/10012659100
invention (through patents) and the clinical trials data submitted for market approval (through data exclusivity). Patent … market exclusivity on the likelihood of drug commercialization. The effect is largely driven by patent invalidations early in …
Persistent link: https://www.econbiz.de/10012064786
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 opposition at the European Patent Office. We find that patent invalidation …
Persistent link: https://www.econbiz.de/10012139072