TY - JOUR T1 - A New Route to Higher Returns and Lower Risks JF - The Journal of Portfolio Management SP - 30 LP - 38 DO - 10.3905/jpm.1975.408545 VL - 2 IS - 1 AU - Gary L. Bergstrom Y1 - 1975/10/31 UR - https://pm-research.com/content/2/1/30.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -