LI, Han. RESEARCH PAPER FOR USING MARKOWITZ MODEL AND INDEX MODEL UNDER REALISTIC ADDITIONAL CONSTRAINTS. Finance & Economics, [S. l.], v. 2, n. 2, p. 1002, 2024. DOI: 10.61173/nnc88h28. Disponível em: https://fe.deanfrancis.press/article/view/1010. Acesso em: 4 nov. 2026.