01053nam0-2200337---450099000994554040332120170201155359.00262081504Hardback026258087XPaperback000994554FED01000994554(Aleph)000994554FED0100099455420150311d1985----km-y0itay50------baengUS--------001yyMarket structure and foreign tradeincreasing returns, imperfect competition and the international economyElhanan Helpman and Paul R. KrugmanCambridge; MassachusettsLondonMit pressc1985XII, 271 p.24 cmHelpman,Elhanan128673Krugman,Paul R.<1953- >118463ITUNINARICAUNIMARCBK990009945540403321ISVE F1-F4.216DECTSO/31 HEL2880SESDECTSSESMarket structure and foreign trade820716UNINA