00839nam0-22002651i-450-990003085800403321000308580FED01000308580(Aleph)000308580FED0100030858020000920d--------km-y0itay50------baitaIT<<The >>Generalized System of PreferencesA Quantitative Assessment of the Direct Trade Effects and of Policy OptionsGuy Karsenty, Sam LairdDiscussion PapersUnited Nations Conference on Trade and Development18Karsenty,GuyLaird,SamuelITUNINARICAUNIMARCBK990003085800403321U.N./17.1s.n.110SESSESGeneralized System of Preferences460399UNINAING01