00340nam a2200109Ia 4500082002000000100002800020245009900048260003400147300003900181500000500220700000500225  a339.46bOs83.EI  aOsmani, Siddiqur Rahman  aEconomic inequality and group welfare; a theory of comparison with application to Bangladeshb  aOxfordbClarendon Pressc1982  aviii, 179p. Appendix, Bibl., Index  a  a