000 00319 a2200109 4500
001 ART_11712
005 20260410161859.0
008 260409a
245 1 0 _aNonlinear prices and welfare
100 1 _aSpence, Michael
773 0 _tJournal of public economics
_g- Vol. 8, Nº 1 (ago. 1977)
_wREV11485
999 _c25763
_d25763