TY - JOUR T1 - Kondratieff 1588 JF - The Journal of Portfolio Management SP - 70 LP - 71 DO - 10.3905/jpm.1980.408747 VL - 6 IS - 3 AU - Garrett Mattingly Y1 - 1980/04/30 UR - https://pm-research.com/content/6/3/70.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -