%0 Journal Article %A Brian Jacobsen %T INVITED EDITORIAL COMMENT %B Ambiguity Management %D 2013 %R 10.3905/jpm.2013.39.4.004 %J The Journal of Portfolio Management %P 4-6 %V 39 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/39/4/4.full.pdf