%0 Journal Article %A Wayne Y. Lee %T Diversification and time %B Do investment horizons matter? %D 1990 %R 10.3905/jpm.1990.409265 %J The Journal of Portfolio Management %P 21-26 %V 16 %N 3 %U https://jpm.pm-research.com/content/iijpormgmt/16/3/21.full.pdf