LI, Peishu. Portfolio Optimization under Regulation T: A Comparative Study of the Markowitz Model and the Index Model. Journal of Education, Humanities and Social Sciences, [S. l.], v. 61, p. 198–205, 2025. DOI: 10.54097/r05cb907. Disponível em: https://drpehss.com/index.php/ojs/article/view/32. Acesso em: 2 nov. 2026.