Ivashkovskaya, Irina, and Nadezhda Zinkevich. “The Relationship Between Corporate Governance and Company Performance in Concentrated Ownership Systems: The Case of Germany”. Journal of Corporate Finance Research / Корпоративные Финансы | ISSN: 2073-0438 3, no. 4 (December 31, 2010): 34-56. Accessed July 10, 2025. https://cfjournal.hse.ru/article/view/1650.