Showing 1 - 10 of 19
relating to patenting, robust conclusions regarding the empirical consequences for technological innovation of changes in …
Persistent link: https://www.econbiz.de/10005710198
same, not oppo- site effect on wages at both skill levels; a rise in the foreign share in world innovation or US patents … decreases US wages; an increase in the US share in world innovation or US patents raises US wages, especially for the less … skilled; and the stock of world innovation and US patents decreases real wages especially for the less skilled. Turning to the …
Persistent link: https://www.econbiz.de/10005710318
This paper presents new evidence on research and teaching productivity in universities using a panel of 102 top U.S. schools during 1981-1999. Faculty employment grows at 0.6 percent per year, compared with growth of 4.9 percent in industrial researchers. Productivity growth per researcher is...
Persistent link: https://www.econbiz.de/10005710600
A survey of recent patentees was conducted to elicit their perceptions regarding the importance of their inventions, the extent of their communication with other inventors, and the relationship of both importance and communication to observed patent citations. A cohort of 1993 patentees were...
Persistent link: https://www.econbiz.de/10005710621
The extent to which new technological knowledge flows across institutional and national boundaries is a question of great importance for public policy and the modeling of economic growth. This paper develops a model of the process generating subsequent citations to patents as a lens for viewing...
Persistent link: https://www.econbiz.de/10005714300
This paper describes the database on U.S. patents that we have developed over the past decade, with the goal of making it widely accessible for research. We present main trends in U. S. patenting over the last 30 years, including a variety of original measures constructed with citation data,...
Persistent link: https://www.econbiz.de/10005830003
This paper describes flows of basic research through the U.S. economy and explores their implications for scientific output at the industry and field level. The time period is the late 20th century. This paper differs from others in its use of measures of science rather than technology. Together...
Persistent link: https://www.econbiz.de/10005088639
This paper examines patterns of knowledge diffusion from US and Japan to Korea and Taiwan using patent citations as an indicator of knowledge flow. We estimate a knowledge diffusion model using a data set of all patents granted in the U.S. to inventors residing in these four countries....
Persistent link: https://www.econbiz.de/10005050236
This paper explores recent trends in the size of scientific teams and in institutional collaborations. The data derive from 2.4 million scientific papers written in 110 leading U.S. research universities over the period 1981-1999. We measure team size by the number of authors on a scientific...
Persistent link: https://www.econbiz.de/10005050357
This article is a guide to the NBER-Rensselaer Scientific Papers Database, which includes more than 2.5 million scientific publications and over 21 million citations to those papers. The data cover an important sample of 110 top U.S. universities and 200 top U.S.-based R&D-performing firms...
Persistent link: https://www.econbiz.de/10005575301