%0 Journal Article %A David A. Umstead %T Volatility, Growth, and Investment Policy %D 1981 %R 10.3905/jpm.1981.408798 %J The Journal of Portfolio Management %P 55-59 %V 7 %N 2 %U https://jpm.pm-research.com/content/iijpormgmt/7/2/55.full.pdf