%0 Journal Article %A Martin L. Leibowitz %T Liability returns %B A new look at asset allocation %D 1987 %R 10.3905/jpm.1987.409091 %J The Journal of Portfolio Management %P 11-18 %V 13 %N 2 %U https://jpm.pm-research.com/content/iijpormgmt/13/2/11.full.pdf