%0 Journal Article %A Erol Hakanoglu %A Robert W Kopprasch %A Emmanuel Roman %T Constant proportion portfolio insurance for fixed-income investment %D 1989 %R 10.3905/jpm.1989.409214 %J The Journal of Portfolio Management %P 58-66 %V 15 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/15/4/58.full.pdf