00000nam a2200000 a 4500 20251203111208.0 0195651324 330.1 SEN Sen, Amartya Choice welfare and measurement 1st ed New Delhi Oxford Univerrsity Press 1982-R2008 ,460p, 22cm, PB Choice and preference preference aggregation welfare comparisons and social choice non-utility information social measurement _ 139846 C 117323 117323 0 0 0 0 PU PU 2009-03-21 340.00 0 330.1 SEN 139846 BK