00724nam0-22002771i-450-9900039589404033210-04-3303314-5000395894FED01000395894(Aleph)000395894FED0100039589420030516d1981----km-y0itay50------bagbGBEconomic efficiency <<and>> social welfareGeorge allenLondon280 p.con grafici24 cmMishan,Edward Joshua<1917- >24593ITUNINARICAUNIMARCBK990003958940403321D6.1167727DECTSDECTSSocial welfare513008UNINA