TURNACIGIL, Seda. The Impact of Agency Costs on Investment Efficiency: Evidence from Overinvestment and Underinvestment in Borsa İstanbul. Journal of Applied And Theoretical Social Sciences, [S. l.], v. 8, n. 3, p. 373–394, 2026. DOI: 10.37241/jatss.2026.156. Disponível em: https://www.iccsor.com/index.php/jatss/article/view/452. Acesso em: 23 oct. 2026.