Purchasing Power Parity in Developing Countries: Evidence from Conventional and Fractional Cointegration Tests. International Journal of Banking and Finance, [S. l.], v. 2, n. 1, p. 29–43, 2004. Disponível em: https://www.educationmalaysia.co.uk/index.php/ijbf/article/view/8343. Acesso em: 10 nov. 2025.