%0 Journal Article %A Peter L. Bernstein %T The Jarring Surprises of the Present %D 1979 %R 10.3905/jpm.1979.408691 %J The Journal of Portfolio Management %P 4 %V 5 %N 3 %U https://jpm.pm-research.com/content/iijpormgmt/5/3/4.full.pdf