GUTIERREZ BETANCUR, J. C.; GUTIÉRREZ DÍAZ, A. K.; GÓMEZ FERNÁNDEZ, A. Robust Estimation of beta and the hedging ratio in Stock Index Futures In the Integrated Latin American Market. Ecos de Economía, [S. l.], v. 21, n. 44, p. 37–71, 2017. DOI: 10.17230/ecos.2017.44.2. Disponível em: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/4412. Acesso em: 3 may. 2024.