%0 Journal Article %A André F. Perold %T The implementation shortfall %B Paper versus reality %D 1988 %R 10.3905/jpm.1988.409150 %J The Journal of Portfolio Management %P 4-9 %V 14 %N 3 %U https://jpm.pm-research.com/content/iijpormgmt/14/3/4.full.pdf