%0 Journal Article %A Tony van Zijl %T Beta Loss, Beta Quotient %B Comment %D 1985 %R 10.3905/jpm.1985.409015 %J The Journal of Portfolio Management %P 75-78 %V 11 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/11/4/75.full.pdf