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...

May 1999 - Preferential trade agreements that are limited to the elimination of tariffs for merchandise trade flows are of limited value at best and may be as easily welfare-reducing as welfare-enhancing. It is important that preferential trade agreements go beyond eliminating tariffs and quotas...