Showing 1 - 9 of 9
Persistent link: https://www.econbiz.de/10012608483
Persistent link: https://www.econbiz.de/10012697142
We document the generation and the content of the Comprehensive Patent Database (CPDB) of the German Democratic Republic (GDR) (1949-1990), which is freely available at GESIS https://doi.org/10.7802/2448. The database contains all patents granted in the GDR and published by the Office of...
Persistent link: https://www.econbiz.de/10014515582
Persistent link: https://www.econbiz.de/10015053617
Persistent link: https://www.econbiz.de/10003987282
Persistent link: https://www.econbiz.de/10009240071
Persistent link: https://www.econbiz.de/10013191297
Persistent link: https://www.econbiz.de/10012300523
The development of inventor networks is characterized by the addition of a significant number of new inventors, while a considerable number of incumbent inventors discontinue. We estimated the persistence of knowledge in the inventor networks of nine German regions using alternative assumptions...
Persistent link: https://www.econbiz.de/10013499882