%0 Journal Article %A Bruce I. Jacobs %A Kenneth N. Levy %T The complexity of the stock market %D 1989 %R 10.3905/jpm.1989.409244 %J The Journal of Portfolio Management %P 19-27 %V 16 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/16/1/19.full.pdf