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Adams, James - National Bureau of Economic Research (NBER) - 1997

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

The Growing Allocative Inefficiency of the U.S. Higher Education Sector

Adams, James; Clemmons, J. Roger - National Bureau of Economic Research (NBER) - 2006

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

Science and Industry: Tracing the Flow of Basic Research through Manufacturing and Trade

Adams, James; Clemmons, Roger - National Bureau of Economic Research (NBER) - 2006

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

Scientific Teams and Institution Collaborations: Evidence from U.S. Universities, 1981-1999

Adams, James - National Bureau of Economic Research (NBER) - 2004

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

The NBER-Rensselaer Scientific Papers Database: Form, Nature, and Function

Adams, James; Clemmons, J. Roger - National Bureau of Economic Research (NBER) - 2008

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

How Rapidly Does Science Leak Out?

Adams, James; Stephan, Paula E.; Clemmons, J. Roger - National Bureau of Economic Research (NBER) - 2006

In science as well as technology, the diffusion of new ideas influences innovation and productive efficiency. With this …

Persistent link: https://www.econbiz.de/10005722941

The Role of Search in University Productivity: Inside, Outside, and Interdisciplinary Dimensions

Adams, James; Clemmons, J. Roger - National Bureau of Economic Research (NBER) - 2009

Due to improving information technology, the growing complexity of research problems, and policies designed to foster interdisciplinary research, the practice of science in the United States has undergone significant structural change. Using a sample of 110 top U.S. universities observed during...

Persistent link: https://www.econbiz.de/10008625933

The Structure of Firm R&D and the Factor Intensity of Production

Adams, James - National Bureau of Economic Research (NBER) - 1997

This paper studies the influence of the structure of firm R&D, industry R&D spillovers, and plant level physical capital on the factor intensity of production. By the structure of firm R&D we mena its distribution across states and products. By factor intensity we mena the cost shares of...

Persistent link: https://www.econbiz.de/10005830861

R&D Sourcing, Joint Ventures and Innovation: A Multiple Indicators Approach

Adams, James; Marcu, Mircea - National Bureau of Economic Research (NBER) - 2004

consider the effects of sourcing, RJVs, and the firm's internal research on innovation, as defined by patents and new products …. Our results are that sourcing has little effect on innovation, but that RJVs and internal research increase innovation …. This suggests specialization: cost saving is the primary motivation for sourcing, while innovation is the primary …

Persistent link: https://www.econbiz.de/10005580546