%0 Journal Article %A Fischer Black %A Robert B Litterman %T Asset Allocation %B Combining Investor Views with Market Equilibrium %D 1991 %R 10.3905/jfi.1991.408013 %J The Journal of Fixed Income %P 7-18 %V 1 %N 2 %U https://jfi.pm-research.com/content/iijfixinc/1/2/7.full.pdf