Variations in the characteristics of the efficient portfolio and their relationship to the scale of risk: A comparative analysis between (mean - variance) and Lower partial moments Models. Journal of Hama University , [S. l.], v. 4, n. 9, 2021. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/646. Acesso em: 6 jun. 2026.