Analyzing the leverage effect in stock indexes with autoregressive generalized variance models. Global Journal of Business, Economics and Management: Current Issues, [S. l.], v. 7, n. 1, p. 178–197, 2017. DOI: 10.18844/gjbem.v7i1.1644. Disponível em: https://un-pub.eu/ojs/index.php/gjbem/article/view/1644. Acesso em: 24 nov. 2024.