Vertical foreclosure in telecommunications through access prices and interconnection quality. Economia Aplicada, [S. l.], v. 6, n. 4, p. 735–765, 2002. DOI: 10.11606/1413-8050/ea220046. Disponível em: https://www.revistas.usp.br/ecoa/article/view/220046.. Acesso em: 17 maio. 2024.