The Nigerian, Swedish and Chilean Pension Systems: A Comparative Analysis of Schemes and Reforms. Ethiopian Journal of Economics, [S. l.], v. 23, n. 1, p. 31–60, 2015. Disponível em: https://ethiopianjournalofeconomics.org/index.php/EJE/article/view/143.. Acesso em: 15 jul. 2026.