Actual experience has shown that instruments employed by international commodity agreements are unwieldy and expensive, and that they do not always accomplish the objectives. In fact, practically none of the countless efforts made in this respect since 1931 has proved successful, and the only system that is actively operating at present is the International Coffee Agreement, which has not really succeeded in stabilizing prices. The World Bank's policy unquestionably provides strong support for the concept of trade liberalization in the field of agriculture. Multilateral negotiations and bilateral and multilateral agreements between developing countries we then referred to. Finally, a synthesis of regional and subregional integration in Latin America, written by Carlos M. Castillo, is included. (MIBA)