%0 Journal Article %A Mohammadi, Hamid Reza, Abbasi, Atefeh %T Investigating the Impact of Competition in the Product Market Using the Herfindahl-Hirschman Index on the Efficiency of Investing in Human Resources in Companies Listed on the Tehran Stock Exchange %J Journal of Capital Market Analysis %V 1 %N 1 %P 161-176 %D 2021 %R %U https://sanad.iau.ir/fa/Article/997177