Sen, Amartya K. Painners' preferences : optimality distribution and social welfare / Amartya K. Sen - New Delhi : Delhi School of Economics (DSE) , 1966 - 30p. : ill. ; 30 cm. - Working paper No. 16 . Includes bibliographical references. Subjects--Topical Terms: Social welfare--India Gov. Doc. Class. No.: IN Del. U DSE DE WP-16