TANG, T. Testing for Non-linearity in the Balancing Item of Balance of Payments Accounts: The Case of 20 Industrial Countries. Economic Issues, [S. l.], v. 14, n. 2, p. 107–124, 2009. Disponível em: http://www.economicissues.org.uk/index.php/EI_OJS/article/view/158. Acesso em: 25 aug. 2026.