TY - JOUR T1 - Catch 500 JF - The Journal of Portfolio Management SP - 30 LP - 32 DO - 10.3905/jpm.1980.408725 VL - 6 IS - 2 AU - James C. Ryan AU - Mark Kritzman Y1 - 1980/01/31 UR - https://pm-research.com/content/6/2/30.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -