%0 Journal Article %A پورحیدری, امید, سروستانی, امیر, هوشمند, رحمت اله %T The Effects of Product Market Competition on Agency Costs %J Financial Knowledge of Securities Analysis %V 5 %N 16 %P 13-28 %D 2013 %R %U https://sanad.iau.ir/fa/Article/803048