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The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools

Hall, Bronwyn H; Jaffe, Adam; Trajtenberg, Manuel - National Bureau of Economic Research (NBER) - 2001

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

Measuring the Returns to R&D

Hall, Bronwyn H; MAIRESSE, Jacques; Mohnen, Pierre - National Bureau of Economic Research (NBER) - 2009

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

Patent Citations and International Knowledge Flow: The Cases of Korea and Taiwan

Hu, Albert Guangzhou; Jaffe, Adam - National Bureau of Economic Research (NBER) - 2001

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

The U.S. Patent System in Transition: Policy Innovation and the Innovation Process

Jaffe, Adam - National Bureau of Economic Research (NBER) - 1999

relating to patenting, robust conclusions regarding the empirical consequences for technological innovation of changes in …

Persistent link: https://www.econbiz.de/10005710198

The Meaning of Patent Citations: Report on the NBER/Case-Western Reserve Survey of Patentees

Jaffe, Adam; Trajtenberg, Manuel; Fogarty, Michael S. - National Bureau of Economic Research (NBER) - 2000

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

Flows of Knowledge from Universities and Federal Labs: Modeling the Flowof Patent Citations Over Time and Across Institutional and Geographic Boundari

Jaffe, Adam; Trajtenberg, Manuel - National Bureau of Economic Research (NBER) - 1996

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

Dynamic Models of R&D, Innovation and Productivity: Panel Data Evidence for Dutch and French Manufacturing

MAIRESSE, Jacques; Mohnen, Pierre; Raymond, Wladimir; … - National Bureau of Economic Research (NBER) - 2013

This paper introduces dynamics in the R&D to innovation and innovation to productivity relationships, which have mostly … individual effects and idiosyncratic errors correlated across equations and that differ in the way innovation enters the … Community Innovation Survey. The results provide evidence of robust unidirectional causality from innovation to productivity and …

Persistent link: https://www.econbiz.de/10010696630