This comprehensive study finds that tariffs and quantitative import restrictions in place in 1990 cost American consumers about $70 billion, more than 1 percent of GDP. The net national welfare loss, after deducting tariff revenues and transfers to domestic producers, was $11 billion, of which perhaps 70 percent was captured by foreign producers as quota rents. Nearly half of the consumer costs are accounted for by 21 highly protected sectors, and more than a third, $24 billion, are attributable to textiles and apparel alone. The cost to consumers of "special" protection aside from textiles...