DP1359 | Technological Convergence and International Trade

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18/03/1996

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Abstract

This paper builds on earlier evidence showing that, while most countries exhibit little evidence of unconditional income convergence, countries that trade heavily with one another tend to exhibit a much higher incidence of convergence. Two alternative explanations for the trade-related convergence are explored here. The first alternative is that the trade-related income convergence is due to a convergence in capital-labour ratios. Little support is found for this explanation. The other alternative examined here is that of a trade-related convergence in technologies. This alternative is corroborated by a high incidence of convergence in total factor productivities among countries that trade heavily with one another ? an outcome that is not common between these same countries when they are grouped randomly rather than on the basis of trade.