GUEDES DE OLIVEIRA, F.; COSTA, L. The VAT Laffer Curve and the Business Cycle in the EU27: An Empirical Approach. Economic Issues, [S. l.], v. 20, n. 2, p. 29–44, 2015. Disponível em: https://www.economicissues.org.uk/index.php/EI_OJS/article/view/242. Acesso em: 26 jul. 2026.