RIPAMONTI, Alexandre. Corwin-Schultz Bid-ask Spread Estimator in the Brazilian stock market. Brazilian Administration Review, [S. l.], v. 13, n. 1, p. 76–97, 2016. DOI: 10.1590/1807-7692bar2016150036. Disponível em: https://bar.anpad.org.br/index.php/bar/article/view/291. Acesso em: 7 feb. 2026.