00278nam a2200097Ia 4500008004100000082002000041100002100061245003600082260004900118300001300167250411b        |||||||| |||| 00| 0 eng d  a330.08bF911.EP  aFriedman, Milton  aEssays in positive economicsb/  aChicago:bUniversity of Chicago Press,c1953  av, 328p.