TY - JOUR T1 - Can Selectivity Pay in an Efficient Market? JF - The Journal of Portfolio Management SP - 19 LP - 22 DO - 10.3905/jpm.1976.408573 VL - 2 IS - 4 AU - Keith P. Ambachtsheer Y1 - 1976/07/31 UR - https://pm-research.com/content/2/4/19.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -