Showing 1 - 10 of 291
of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining … North America as revealed by patent citation between US-granted patents. Then we estimate the impact of these flows on … productivity of R&D resources in generating innovation (patenting) and productivity (TFP). While we find that knowledge diffusion …
Persistent link: https://www.econbiz.de/10011410671
contributes to innovation in source countries. We use changes in the labour mobility legislation within Europe as exogenous … variation to establish causality. By analysing patent citation data, we further provide evidence that these positive effects are …
Persistent link: https://www.econbiz.de/10011952002
in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan … level within the U.S. and the 38 largest patent-cited countries outside the U.S. We present 3 key findings: First, we find … of cited patent, which implies that new knowledge faces the largest barriers to diffusion. However, over time, border and …
Persistent link: https://www.econbiz.de/10003833339
This paper presents a study of backward and forward patent citations in patents granted to firms and institutions in … the Netherlands by the United States Patent and Trademark Office (USPTO). The study establishes different patterns of … patent citation in recent Dutch patents belonging to different industrial classes. We run our model in the set of backward …
Persistent link: https://www.econbiz.de/10003969228
This paper conducts a comprehensive study of patent citations in patents granted to Belgian corporate applicants by the … United States and the European Patent Offices using qualitative response variable analysis. The analysis uncovered different …
Persistent link: https://www.econbiz.de/10011410433
inverse U-shaped relationship between patent strength and growth: moderate levels of patent protection can stimulate growth …
Persistent link: https://www.econbiz.de/10014383652
Encouraging inventors to disclose new inventions is an important economic justification for the patent system, yet the … technical information contained in patent applications is often inadequate and unclear. This paper proposes a novel approach to … measure disclosure in patent applications using algorithms from computation allinguistics. Borrowing methods from the …
Persistent link: https://www.econbiz.de/10012291859
probabilistic distribution of the patent citations among several major sectors. Secondly, the firm-oriented data is studied to … investigate the relationships between the Belgian firms size and their patent citation behavior. The modeling results conclude … that there is evidence that the smaller firms tend to be more active in patent citation than larger ones. Analyzing the …
Persistent link: https://www.econbiz.de/10011398036
In the pharmaceutical industry, firms frequently engage in licensing agreements to overcome innovation challenges and …
Persistent link: https://www.econbiz.de/10012219514
,300 members across active economic societies in Germany with those of patent holders and World's Fair exhibitors, we show that … diffusion and, to some extent, shaped the geography of innovation. …
Persistent link: https://www.econbiz.de/10013285574