00326    a2200109   4500001001000000005001700010008004100027245003900068100002300107700001900130773006700149ART_1269020260410161908.0260409a                                 10aThe social costs of monopoly power1 aMueller, Dennis C.1 aCowling, Keith0 tThe Economic Journalg- Vol. 88, Nº 352 (dic. 1978)wREV12512