1. Acs, Z. J., & Audretsch, D. B. (1988). Innovation in large and small firms. American Economic Review,
78, 678–690.
2. Acs, Z. J., Autio, E., & Szerb, L. (2013). National systems of entrepreneurship: Measurement issues and policy implications. ResearchPolicy.
http://www.sciencedirect.com/science/article/pii/S0048733313001613
.
3. Ahmad, N., & Hoffmann, A. (2008). A framework for addressing and measuring entrepreneurship. SSRN eLibrary.
4. Blanchflower, D. (2000). Self-employment in OECD countries. Labor Economics,
7, 471–505.
5. Djankov, S., La Porta, R., Lopez-de-Silanes, F., & Shleifer, A. (2002). The regulation of entry. Quarterly Journal of Economics,
117, 453–517.