YANG, Jingtian. Systematic Risk and the Applicability of the CAPM across Digital Economy Sub-industries: An Empirical Study. Frontiers in Economics and Management, [S. l.], v. 7, n. 8, p. 238–247, 2026. DOI: 10.6981/FEM.202608_7(8).0022. Disponível em: https://fieam.org/index.php/ojs/article/view/304. Acesso em: 15 aug. 2026.