%0 Journal Article %A James R. Webb %T On the exclusion of real estate from the market portfolio %D 1990 %R 10.3905/jpm.1990.409301 %J The Journal of Portfolio Management %P 78-84 %V 17 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/17/1/78.full.pdf