SAM , R. Comparing Global Stock Markets Using Risk Premiums Derived from the Potential Payback Period (PPP). Revue Française d’Economie et de Gestion, [S. l.], v. 6, n. 3, 2025. Disponível em: https://revuefreg.fr/index.php/home/article/view/2056. Acesso em: 2 mai. 2026.