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Entry and Patenting in the Software Industry

Cockburn, Iain M.; MacGarvie, Megan - National Bureau of Economic Research (NBER) - 2006

To what extent are firms kept out of a market by patents covering related technologies? Do patents held by potential entrants make it easier to enter markets? We estimate the empirical relationship between market entry and patents for 27 narrowly defined categories of software products during...

Persistent link: https://www.econbiz.de/10005720371

Scale, Scope and Spillovers: The Determinants of Research Productivity in the Pharmaceutical Industry

Cockburn, Iain M.; Henderson, Rebecca - National Bureau of Economic Research (NBER) - 1993

This paper presents the results of a study of the determinants of research productivity in the pharmaceutical industry. Using disaggregated, internal firm data at the research program level from ten major pharmaceutical companies, we find no evidence of increasing returns to scale at either the...

Persistent link: https://www.econbiz.de/10005829793

Are All Patent Examiners Equal? The Impact of Examiner Characteristics

Cockburn, Iain M.; Kortum, Samuel; Stern, Scott - National Bureau of Economic Research (NBER) - 2002

Building on insights gained from interviewing administrators and patent examiners at the United States Patent and Trademark Office (USPTO), we collect and analyze a novel dataset on patent examiners and patent outcomes. This dataset is based on 182 patents for which the Court of Appeals for the...

Persistent link: https://www.econbiz.de/10005777515

Public & Private Spillovers, Location and the Productivity of Pharmaceutical Research

Kyle, Margaret K.; Cockburn, Iain M.; Furman, Jeffrey L.; … - National Bureau of Economic Research (NBER) - 2006

While there is widespread agreement among economists and management scholars that knowledge spillovers exist and have important economic consequences, researchers know substantially less about the "micro mechanisms" of spillovers -- about the degree to which they are geographically localized,...

Persistent link: https://www.econbiz.de/10005778773

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

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

Technology, Trade, and Wages

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

University Research, Industrial R&D, and the Anchor Tenant Hypothesis

Agrawal, Ajay K.; Cockburn, Iain M. - National Bureau of Economic Research (NBER) - 2002

innovation system,' and these appear to vary markedly in their ability to convert local academic research into local commercial … innovation. We develop and test the hypothesis that the presence of a large, local, R&D-intensive firm an anchor tenant' enhances … the productivity of local innovation systems by making local university research more likely to be absorbed by and to …

Persistent link: https://www.econbiz.de/10005718229