Duty and quota-fee access for LDCs : further evidence from CGE mo delling - New York : \U nited Nations, 2002 - xii, 130 p. : ill. ; 30 cm. - Policy issues in International Trade and Commodities tudy series ; no.14 . Includes bibliographical references ISBN: 9211125332 Subjects--Topical Terms: International tradeCommercial products