TY - JOUR T1 - Evidence of superior performance from timing JF - The Journal of Portfolio Management SP - 38 LP - 42 DO - 10.3905/jpm.1989.409205 VL - 15 IS - 3 AU - Robert F. Vandell AU - Jerry L. Stevens Y1 - 1989/04/30 UR - https://pm-research.com/content/15/3/38.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -