COLOMA, G. The optimal number of firms under Bertrand competition. Estudios de Economía, [S. l.], v. 37, n. 2, p. 189–205, 2016. Disponível em: https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/40035. Acesso em: 19 jun. 2025.