FOGUEL, Miguel N.; MOREIRA, Ajax; SANTOS, Daniel. The Effect of the Simplified Contribution Pension Plan on the Probability of Voluntary Contributions to the Pension System in Brazil. Estudos Econômicos (São Paulo), São Paulo, Brasil, v. 42, n. 4, p. 639–669, 2012. Disponível em: https://revistas.usp.br/ee/article/view/47012.. Acesso em: 22 may. 2024.