Trade Patterns, Technology Flows, and Productivity Growth
This paper presents a model of international trade in differentiated intermediate goods. Because intermediates are invented through costly R&D investments, employing foreign intermediates implies sharing the return to R&D with the inventor country. I first derive a relation of how domestic productivity is related to foreign R&D investments. In the subsequent empirical analysis, industry level data for eight OECD countries between 1970-91 is used to estimate that relation. The robustness of interpreting empirical findings is emphasized, to which effect I employ Monte-Carlo techniques, and the part of international R&D spillovers that is related to trade is quantified. I find evidence, first, that domestic and foreign R&D affect productivity differently, in contrast to assuming symmetric effects. Second, the productivity effects resulting from R&D vary substantially by which country conducts the R&D. Third, I find that the composition of a country's import partners does not significantly affect the estimated effect from foreign R&D, indicating a large component in the benefit from foreign R&D which is not related to trade. Lastly, I estimate that international trade contributes about 20% to the total productivity effect from foreign R&D.
|Date of creation:||25 Feb 1997|
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|Note:||Type of Document - Tex; prepared on IBM PC - PC-TEX; to print on HP and PostScript; pages: 18; figures: request from author|
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