1. Berman, E., J. Bound, and Z. Griliches (1994). Changes in the Demand for Skilled Labor with U.S. Manufacturing: Evidence from the Annual Survey of Manufactures. Quarterly Journal of Economics 109 (2): 367–397.
2. Bowen, H. P., A. Hollander, and J.-M. Viane (1998). Applied International Trade Analysis. London: Macmillan.
3. Bowen, H. P., E. E. Leamer, and L. Sveikauskas (1987). Multicountry, Multifactor Tests of the Factor Abundance Theory. American Economic Review 77 (5): 791–801.
4. Crafts, N. F. R., and M. Thomas (1986). Comparative Advantage in UK Manufacturing Trade 1910–35. Economic Journal 96 (383): 629–645.
5. Davis, D. R., and D. E. Weinstein (1998). An Account of Global Factor Trade. NBER Working Paper 6785. National Bureau of Economic Research, Cambridge, Mass.