1. Acs, Z. J., & Virgill, N. (2013). Entrepreneurship in developing countries. In Z. J. Acs & D. B. Audretsch (Hrsg.), Handbook of entrepreneurship research: An interdisciplinary survey and introduction (S. 485–515). New York: Springer.
2. Bala, B. K., Arshad, F. M., & Noh, K. M. (2017). System dynamics: Modelling and simulation. Singapore: Springer.
3. Baßeler, U., Heinrich, J., & Utecht, B. (2002). Grundlagen und Probleme der Volkswirtschaft. Stuttgart: Schäffer-Poeschel.
4. Baumol, W. J. (2004). Entrepreneurial cultures and countercultures. Academy of Management Learning and Education, 3(3), 316–326.
5. Baumol, W. J., Litan, R. E., & Schramm, C. J. (2007). Good capitalism, bad capitalism, and the economics of growth and prosperity. New Haven: Yale University Press.