TODOROV, Galin K. Are International Portfolio Diversification Opportunities Decreasing? Evidence from Principal Component Analysis. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 3, p. 639–661, 2017. Disponível em: https://econjournals.com./index.php/ijefi/article/view/4983. Acesso em: 14 nov. 2024.