Brenes González HA. The beta coefficient (β) as a measure of systematic risk:A demonstration that the value of the systematic risk of the market is equal to one. Rev. Elect. Invest. Ciencias Econ. [Internet]. 2019 Feb. 26 [cited 2024 Jul. 18];6(12):1-20. Available from: https://camjol.info/index.php/REICE/article/view/7473