%0 Journal Article %A Harry M. Markowitz %A Donald W. Reid %A Bernard V. Tew %T The Value of a Blank Check %D 1994 %R 10.3905/jpm.1994.409480 %J The Journal of Portfolio Management %P 82-91 %V 20 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/20/4/82.full.pdf