COOK, S.; MANNING, N. Asymmetric Unit Root Tests in the Presence of Innovation Variance Breaks: Threshold versus Consistent-Threshold Estimation. Economic Issues, [S. l.], v. 8, n. 1, p. 47–58, 2003. Disponível em: https://economicissues.org.uk/index.php/EI_OJS/article/view/95. Acesso em: 24 jul. 2026.