Díaz Restrepo CA, Redondo Ramírez MI. Efficiency of forward as an instrument for exchange risk coverage in companies performing foreign trade operations, 2011-2017. Semest. Econ. [Internet]. 2019 Apr. 1 [cited 2026 Jul. 29];22(51):45-62. Available from: https://revistas.udem.edu.co/index.php/economico/article/view/2965