1984-7114 1984-7114 S1984-71142018000200105 10.14210/contrapontos.v18n2.p105-121 Brazil 00 06 2018 00 06 2018 18 2 105 121

76 76 2 24 24 8 IBGE IBGE IPEA IPEA 17 17 56 56 115 115