2218-3620 2218-3620 S2218-36202020000200330 Ecuador 00 06 2020 00 06 2020 12 2 330 335

2013 Banco Interamericano de Desarrollo 2017 17 2017 2017 15 8 8 93-119 2014 34 2 2 2015 2017 48 189 189 141-68 2016 3 1 1 71-101 2018 12 1 1 2017 12 2 2