TY - BOOK AU - Silva, Peri TI - The role of importers and exporters in the determination of the U.S. tariff preferences granted to Latin America T2 - Policy Research Working Paper AV - IBRD(08) PY - 2005/// CY - Washington, D. C. PB - World Bank KW - TRADE POLICY--ZIMBABWE KW - TARIFF PREFERENCES--LATIN AMERICA ER -