Heo SW, Cashel-Cordo P, Rhim JC, Kang JG. Pricing Accuracy of Put-Option Valuation Models: Directional Bias Due to Risk Free Interest Rates. JAF [Internet]. 2017 Aug. 1 [cited 2025 Feb. 23];17(5). Available from: https://mail.articlegateway.com/index.php/JAF/article/view/936