%0 Journal Article %A Douglas A. Hayes %T The Multi-Dimensional Aspects of Risk %D 1976 %R 10.3905/jpm.1976.408578 %J The Journal of Portfolio Management %P 23-28 %V 2 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/2/4/23.full.pdf