%0 Journal Article %A James Tobin %T A mean-variance approach to fundamental valuations %D 1984 %R 10.3905/jpm.1984.408978 %J The Journal of Portfolio Management %P 26-32 %V 11 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/11/1/26.full.pdf