Shymanska, Oksana. “Theoretical Framework of Optimal Contracts (Nobel Prize in Economics 2016 Awarded to Oliver Hart and Bengt Holmström)”. Herald of Economics, no. 3(89) (July 8, 2019): 126–137. Accessed May 19, 2026. https://visnykj.wunu.edu.ua/index.php/htneu/article/view/922.