%0 Journal Article %E Peter L. Bernstein %T Are we “crowding in”? %D 1976 %R 10.3905/jpm.1976.4 %J The Journal of Portfolio Management %P 4-4 %V 3 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/3/1/4.full.pdf