%0 Journal Article %A Robert B. Litterman %A Kurt D. Winkelmann %T Managing Market Exposure %D 1996 %R 10.3905/jpm.1996.409564 %J The Journal of Portfolio Management %P 32-48 %V 22 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/22/4/32.full.pdf