National Policies for Technical Change: Where Are the Increasing Returns to Economic Research?
Proc. Natl. Acad. Sci. USA Vol. 93, pp. 12693–12700, November 1996 Colloquium Paper This paper was presented at a colloquium entitled ‘‘Science, Technology, and the Economy,’’ organized by Ariel Pakes and Kenneth L. Sokoloff, held October 20–22, 1995, at the National Academy of Sciences in Irvine, CA. National policies for technical change: Where are the increasing returns to economic research? KEITH PAVITT Science Policy Research Unit, University of Sussex, Falmer, Brighton, BN1 9RF, United Kingdom ABSTRACT Improvements over the past 30 years in Today it is normal for trade theorists to think of world statistical data, analysis, and related theory have strength- trade as largely driven by technological differences ened the basis for science and technology policy by confirming between countries; to think of technology as largely the importance of technical change in national economic driven by cumulative processes of innovation and the performance. But two important features of scientific and diffusion of knowledge; to see a possible source of technological activities in the Organization for Economic concern in the self-reinforcing character of technologi- Cooperation and Development countries are still not ad- cal advantage; and to argue that dynamic effects of dressed adequately in mainstream economics: (i) the justifi- technology on growth represent both the main gains cation of public funding for basic research and (ii) persistent from trade and the main costs of protection. the international differences in investment in research and de- theory has become more exciting, more dynamic and velopment and related activities. In addition, one major gap is much closer to the world view long held by insightful now emerging in our systems of empirical measurement—the observers who were skeptical of the old conventional development of software technology, especially in the service wisdom.
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