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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
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 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
innovation and knowledge management and their impact on performance at the firm level for a number of countries. These studies … have been conducted using data drawn from innovation surveys combined with data from a number of other sources. The issue … illustrates the value of these surveys in improving our understanding of innovation in firms and raises a number of questions for …
Persistent link: https://www.econbiz.de/10005050393
The contribution made by innovation and new technologies to economic growth and welfare is largely determined by the … neglected one in the economics of innovation. This chapter, written for a handbook on innovation, provides a historical and …
Persistent link: https://www.econbiz.de/10005027098
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
The contribution of new technology to economic growth can only be realized when and if the new technology is widely diffused and used. Diffusion itself results from a series of individual decisions to begin using the new technology, decisions which are often the result of a comparison of the...
Persistent link: https://www.econbiz.de/10005580436
We review the econometric literature on measuring the returns to R&D. The theoretical frameworks that have been used are outlined, followed by an extensive discussion of measurement and econometric issues that arise when estimating the models. We then provide a series of tables summarizing the...
Persistent link: https://www.econbiz.de/10008624599