00390nam a2200121Ia 4500008004100000020001500041082002000056100002100076245004600097260003700143300002300180440006500203260831b        |||||||| |||| 00| 0 eng d  a1858984203  a338.01bW853.EP  aWolff, Edward N.  aThe economics of productivity ; vol. Ib/  aCheltenham:bEdward Elgar,c1997  axxiii, 575P. Index  aInternational library of critical writings in economics ; 77