SALAS, S.; CONTRERAS, D. Chilean labor market efficiency: an earning frontier approach. Estudios de Economía, [S. l.], v. 30, n. 1, p. pp. 87–102, 2016. Disponível em: https://rmdd.uchile.cl/index.php/EDE/article/view/40842. Acesso em: 12 apr. 2025.