1517-9702 1517-9702 S1517-97022015000200375 10.1590/s1517-97022015021851 Brasil Brasil 00 04 2015 00 04 2015 41 2 375 390

30 30 25-38 IPEA-BRASIL IPEA-BRASIL 61 61 32 117 117 1067-084 19 3 3 431-66 35 2 2 34-67 19 ^s2 ^s2 2 S335-S343 47 1 1 85-97 1