TY - JOUR T1 - Enhancing mean-variance analysis with options JF - The Journal of Portfolio Management SP - 67 LP - 71 DO - 10.3905/jpm.1985.409003 VL - 11 IS - 3 AU - Peter H. Ritchken Y1 - 1985/04/30 UR - https://pm-research.com/content/11/3/67.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -