%0 Journal Article %A Bernd Scherer %T Invited Editorial Comment %B Frictional Costs of Diversification %D 2013 %R 10.3905/jpm.2013.39.3.007 %J The Journal of Portfolio Management %P 7-9 %V 39 %N 3 %U https://jpm.pm-research.com/content/iijpormgmt/39/3/7.full.pdf