Product specialization in international trade: A further investigation
AbstractIn an influential paper, Schott [Schott. Peter K. (2004). "Across-product versus within-product specialization in international trade." Quarterly Journal of Economics, 119 (2): 647-678] makes two empirical observations about U.S. imports. (1) The United States is increasingly sourcing the same product (however narrowly defined) from both developed and developing countries. That is, 'across-product specialization' has been decreasing. (2) The unit values of these multiple-sourced products are positively and significantly correlated with the capital and skill abundance of exporters and with the capital-labor ratios used by exporters. That is, endowments-driven 'within-product specialization' has been increasing. We show that both these observations extend to the imports of Brazil, India and Japan. However, our main finding is that observation (1) is largely driven by two factors. First, China is the dominant low-wage exporter of multiple-sourced products. Second, the most developed countries remain the primary exporters of multiple-sourced products. The U.S. case is the most extreme of our four importers: When China is deleted from the U.S. import data there is no trend in across-product specialization and rich exporters are increasing their trade share of multiple-sourced products. Since deleting China has no theoretical justification, these results must be viewed not as a contradiction of Schott's work but as a way of deepening our understanding of his empirical results.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of International Economics.
Volume (Year): 75 (2008)
Issue (Month): 1 (May)
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Web page: http://www.elsevier.com/locate/inca/505552
Other versions of this item:
- Cong S. Pham, 2007. "Product Specialization in International Trade: A Further Investigation," Economics Series 2007_14, Deakin University, Faculty of Business and Law, School of Accounting, Economics and Finance.
- F11 - International Economics - - Trade - - - Neoclassical Models of Trade
- F2 - International Economics - - International Factor Movements and International Business
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