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What is the optimal system of intellectual property rights to encourage innovation? Empirical evidence from economic … existence of strong patent laws encourage innovation? And 2) May patent laws influence the direction – as opposed to the rate … innovations in developing countries, discourage innovation in the developing countries? This essay summarizes results of existing …
Persistent link: https://www.econbiz.de/10014163429
new drugs, however, are theoretically ambiguous: Compulsory licensing may encourage innovation by increasing competition … or discourage innovation by reducing expected returns to R&D. Empirical evidence is rare, primarily because contemporary …
Persistent link: https://www.econbiz.de/10014147094
, has emphasized the importance of patents as a primary driver of innovation. Recent improvements in empirical methodology … when patent rights have been too broad or strong, they have actually discouraged innovation. This paper summarizes the …
Persistent link: https://www.econbiz.de/10014130516
This paper analyses the influence of in-house R&D and external knowledge acquisition on the total factor productivity (TFP) of listed Chinese firms for the time period 2001-2010. We find a quantitatively important positive effect of in-house R&D. The achieved level of technological...
Persistent link: https://www.econbiz.de/10010337198
Compulsory licensing allows firms in developing countries to produce foreign-owned inventions withoutthe consent of foreign patent owners. This paper uses an exogenous event of compulsory licensingafter World War I under the Trading with the Enemy Act to examine the long run effects of...
Persistent link: https://www.econbiz.de/10005870416
This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The investigation is based on survey and patent data from German companies. We find clear...
Persistent link: https://www.econbiz.de/10003447748
Persistent link: https://www.econbiz.de/10011855761
Persistent link: https://www.econbiz.de/10010241489
, but only for firms that engage in in-licensing and only for product innovation. The relationship between fragmentation and …
Persistent link: https://www.econbiz.de/10010298682
higher innovative performance for firms that do not in-license. Furthermore, the effects of fragmentation on innovation also …
Persistent link: https://www.econbiz.de/10010299833