To promote freer trade during the Great Depression, President Franklin Delano Roosevelt received authorization in 1934 to negotiate reciprocal trade agreements, reducing tariff rates on a far-reaching basis through the use of the most-favored-nation clause. After World War II, the United States played a leading role in the formation (1948) of the General Agreement on Tariffs and Trade (GATT) and in negotiating the several rounds of multilateral tariff reductions, most recently (1986) the Uruguay round, which led to the formation of the World Trade Organization. Other important steps in the movement toward freer trade and away from protection include the formation of the European Economic Community (or Common Market; now part of European Union) in 1957 and the European Free Trade Association in 1959. In 1992, the United States, Canada, and Mexico negotiated the North American Free Trade Agreement (NAFTA), which created the world's largest trading zone.
Although the United States is no longer a high-tariff nation, it still has a number of restrictive import quotas that provide a definite limit on the quantity of a given commodity that can be imported from another nation. Japan, one of the world's major industrial nations, also has many import quotas. Such quotas, in addition to being more certain methods of protection than tariffs, can also be used to favor certain nations over others.
See W. M. Corden,
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