TY - JOUR T1 - The Penalties of Incurring Unsystematic Risk JF - The Journal of Portfolio Management SP - 31 LP - 35 DO - 10.3905/jpm.1978.408645 VL - 4 IS - 3 AU - Marvin McClay Y1 - 1978/04/30 UR - https://pm-research.com/content/4/3/31.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -