Does International Trade Transfer Technology to Emerging Countries? A Patent Citation Analysis
AbstractThe purpose of this paper is to assess empirically whether trade flows carry disembodied knowledge to emerging countries. Endogenous growth theory predicts that productivity growth rates of countries are related through international trade linkages and associated embodied and disembodied knowledge spillovers. Patent statistics are an output indicator of innovation. This allow patent citations to reflect the process of knowledge diffusion. Combining an endogenous growth framework with a patent citation analysis, we evaluate whether more exporting or importing countries tend to cite more foreign patents, i.e. learn more from foreign technology. The empirical estimation concerns the relative number of backward citations and bilateral trade flows between 18 emerging and 10 technology source countries, at a sectoral level, for the period of 1980-1998. We contribute to the previous literature by taking into account several proximity measures and by distinguishing sector's technological intensities. Our results show that trade transfers technology across countries and sectors, but the extent of the diffusion depends mainly on cultural and historical proximities and the level of technical capacity of host countries.
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Bibliographic InfoPaper provided by The Open University, Faculty of Social Sciences, Department of Economics in its series Open Discussion Papers in Economics with number 54.
Length: 55 pages
Date of creation: Aug 2006
Date of revision:
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Web page: http://www.open.ac.uk/socialsciences/about-the-faculty/departments/economics/research/discussion-papers.php
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Knowledge Diffusion; International Trade; Patent Citations;
Find related papers by JEL classification:
- F1 - International Economics - - Trade
- F2 - International Economics - - International Factor Movements and International Business
- O3 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights
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