Gutierrez Betancur JC, Gutiérrez Díaz AK, Gómez Fernández A. Robust Estimation of beta and the hedging ratio in Stock Index Futures In the Integrated Latin American Market. ecos.econ. [Internet]. 2017 Jun. 22 [cited 2024 May 3];21(44):37-71. Available from: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/4412