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- Title
Geographic Localization of International Technology Diffusion.
- Authors
Keller, Wolfgang
- Abstract
Income convergence across countries turns on whether technological knowledge spillovers are global or local. I estimate the amount of spillovers from R&D expenditures on a geographic basis, using a new data set which encompasses most of the world's innovative activity between 1970 and 1995. I find that technology is to a substantial degree local, not global, as the benefits from spillovers are declining with distance. The distance at which the amount of spillovers is halved is about 1,200 kilometers. I also find that over time, technological knowledge has become considerably more global. Moreover, language skills are important for spillover diffusion. (JEL F0, O1, O3)
- Subjects
DIFFUSION of innovations; TECHNOLOGY transfer; INTERNATIONAL cooperation on technology; RESEARCH &; development contracts; ECONOMICS
- Publication
American Economic Review, 2002, Vol 92, Issue 1, p120
- ISSN
0002-8282
- Publication type
Article
- DOI
10.1257/000282802760015630