00344    a2200109   4500001001000000005001700010008004100027245005200068100001900120773007800139999001700217ART_1155520260410161858.0260409a                                 10aOn the measurement of the degree of progression1 aJakobsson, Ulf0 tJournal of public economicsg- Vol. 5, Nº 1/2 (ene./feb. 1976)wREV11485  c25636d25636