1. Determinants of the commodity structure of U.S. trade;Baldwin;American Economic Review,1971
2. Intermediate products and the pure theory of international trade: A neo-Heckscher-Ohlin framework;Batra;American Economic Review,1973
3. The Heckscher-Ohlin theorem in the multi-commodity case;Bhagwati;Journal of Political Economy,1972
4. The general equilibrium theory of effective protection and resource allocation;Bhagwati;Journal of International Economics,1973
5. Protection and tariff change under general equilibrium;Bruno;Journal of International Economics,1973