00354    a2200121   4500001001000000005001700010008004100027245003900068100002000107700002100127773006700148999001700215ART_1255720260410161907.0260409a                                 10aWhat Makes Adversiting Profitable?1 aAdams, James D.1 aYellen, Janet L.0 tThe Economic Journalg- Vol. 97, Nº 347 (set. 1977)wREV12512  c26452d26452