Here are entered works on the theory and practice of international planning and agreements whereby countries specialize in or participate in a phase of the production of those products for which they have the greatest comparative advantage.
--subdivision Economic integration under names of regions larger than countries for works discussing the integration of the economies of a group of countries, e.g. Europe--Economic integration; and names of international organizations established to integrate the economies of various countries
Here are entered works on trade among nations. Works on foreign trade of specific countries, cities, etc. are entered under headings of the type [place]--Commerce, further subdivided by place, if appropriate. If so subdivided, a second heading is assigned with the place names in reverse positions, e.g. 1. Canada--Commerce--United States. 2. United States--Commerce--Canada.