BRUNO, Nestor. Endogenous sunk costs and competition: application to the case of local telephony in the US. Ensayos de Política Económica, [S. l.], v. 3, n. 1, p. 37–57, 2019. Disponível em: http://200.16.86.39/index.php/ENSAYOS/article/view/2282. Acesso em: 19 may. 2024.