Average most-favored-nation tariffs in the "Quad" (Canada, the European Union, Japan, and the United States) have fallen to about 5 percent. But tariffs more than three times the average most-favored-nation duty are not uncommon in the Quad and have a disproportionate effect on exports of least...

Although average Organisation for Economic Co-operation and Development (OECD) tariffs on imports from the least developed countries are very low; tariffs above 15 percent have a disproportional effect on their exports. Products subject to tariff peaks tend to be heavily concentrated in...

High levels of protection and domestic support for farmers in industrial countries significantly affect many developing countries, both directly and through the price-depressing effect of agricultural support policies. High tariffs - in both rich and poor countries - and domestic support may...

Average most-favored-nation tariffs in the Quad (Canada, the European Union, Japan, and the United States) have fallen to about 5 percent. But tariffs more than three times the average most-favored-nation duty are not uncommon in the Quad and have a disproportionate effect on exports of least...