MARTINEZ, Antonio Lopo; CASTRO, Miguel Angel Rivera. The smoothing hypothesis, stock returns and risk in Brazil. Brazilian Administration Review, [S. l.], v. 8, n. 1, p. 1–20, 2011. DOI: 10.1590/S1807-76922011000100002. Disponível em: https://bar.anpad.org.br/index.php/bar/article/view/139. Acesso em: 7 feb. 2026.