ZHANG, Zhongquan(Bill); LIU, Zixin. Empirical analysis in effective portfolio allocation through Markowitz and index models. Finance & Economics, [S. l.], v. 2, n. 2, p. 1122, 2024. DOI: 10.61173/0drwq430. Disponível em: https://fe.deanfrancis.press/article/view/1022. Acesso em: 4 nov. 2026.