Dean, Judith M.; Wainio, John - 2012
value of agricultural and nonagricultural tariff preferences for all beneficiary countries in the U.S. regional programs and … preference margins (except on apparel). For 29 countries, the value of U.S. tariff preferences was 5 percent or more of 2003 … nonagricultural tariff preferences, and to apparel preferences in particular. These results suggest that preference erosion may be …