American Economic Review: Vol. 93 No. 3 (June 2003)
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One Size Fits All? Heckscher-Ohlin Specialization in Global Production
Schott, PeterK. 2003. "One Size Fits All? Heckscher-Ohlin Specialization in Global Production ." American Economic Review, 93(3): 686-708.
This paper introduces a new technique for testing the Heckscher-Ohlin model that allows for the possibility that countries with sufficiently disparate endowments specialize in unique subsets of goods. Results based upon industry-level data reject one-size-fits-all homogeneity in favor of Heckscher-Ohlin specialization. Results also reveal that industry-level data hide substantial intra-industry heterogeneity, violating the assumptions of the model and complicating the interpretation of results from earlier research. A methodology for adjusting industry output to reflect underlying product variation is introduced. Reestimation of the model using adjusted aggregates in place of standard industry classifications provides strong support for Heckscher-Ohlin specialization.
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Schott, Peter K.