00771nam0-22002891i-450-99000675392040332120001010000675392FED01000675392(Aleph)000675392FED0100067539220001010d--------km-y0itay50------baitay-------001yyRobert Giffen and the Giffen paradoxRoger S. MasonOxfordPhilip Allanc1989XII,153 p 22 cm339.4Mason,Roger S.127391ITUNINARICAUNIMARCBK990006753920403321XI B 26411314FSPBCFSPBCRobert Giffen and the Giffen paradox630432UNINAGEN01