The Stock Market Volatility and Regime Changes: A Test in Econometrics. Global Journal of Management and Business Research, [S. l.], v. 17, n. C3, p. 1–4, 2017. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/2236. Acesso em: 19 feb. 2026.