00743nam1 2200253 450 99001009668040332120160905153335.0001009668FED01001009668(Aleph)001009668FED0100100966820160905d1965----km-y0itay50------baeng--------001yySurvey of economic theoryprepared for the American economic association and the Royal economic societyLondonMacmillan-St. Martins press19654 vol.24 cmAmerican Economic AssociationRoyal economic societyITUNINARICAUNIMARCBK990010096680403321DECTSUNINA