Cayirl, Omer; Kayalidere, Koray; Aktas, Huseyin - In: Borsa Istanbul Review 22 (2022) 6, pp. 1062-1068
We mathematically show that, no matter how many factors are added to the capital asset pricing model (CAPM), beta will … always matter. We also show that adding more factors to a single-factor CAPM requires market risk premiums to be modeled as …