FAN, L.-S.; FAN, C.-M. On the Welfare Effect of an Equivalent Tariff and Quota. Economic Issues, [S. l.], v. 10, n. 1, p. 1–8, 2005. Disponível em: https://economicissues.org.uk/index.php/EI_OJS/article/view/115. Acesso em: 5 sep. 2026.