00469nam a2200109Ia 4500080001800000100002700018245005500045260003100100300001000131520019900141583001900340  a09.05.07 C533  aChichilnisky, Graciela  aStategies for trade liberalization in the Americas  bUN ECLACaSantiagoCLc1992  a26 p.  aReviews the existing economics of trading blocks and presents a new conceptual approach to the economics of preferential trade. Looks at NAFTA, an American free trade zone and global free trade.  c3/7/00kM2LMGR