1. The interpretation of cross-section regression tests of the Heckscher-Ohlin theorem with many goods and factors;Aw;Journal of International Economics,1983
2. Ball, V.E., Bureau, J.C., Butault, J.-P., Nehring, R., 1999. Levels of Farm Sector Productivity: An International Comparison. USDA, mimeo.
3. Do endowments predict the location of production? Evidence from national and international data;Bernstein;Journal of International Economics,2002
4. Patterns of industrial growth;Chenery;American Economic Review,1960
5. Sectoral productivity gaps between the United States, Japan and Germany, 1960–1979;Conrad,1995