00358 a2200109 4500001001000000005001700010008004100027245006200068100002300130773007800153999001700231ART_1162720260410161858.0260409a 10aOn the specification of models of optimum income taxation1 aStern, Nicholas H.0 tJournal of public economicsg- Vol. 6, NÂș 1/2 (jul./ago. 1976)wREV11485 c25681d25681