1. Abowd, J. M., Haltiwanger, J., Jarmin, R., Lane, J., Lengermann, P., McCue, K., McKinney, K., & Sandusky, K. (2005). The relation among human capital, productivity and market value: Building up from micro evidence. In C. Corrado, J. Haltiwanger, & D. Sichel (Eds.), Measuring capital in the new economy (pp. 153–204). University of Chicago Press.
2. Barro, R. J., & Sala-i-Martin, X. (2004). Economic growth. MIT Press.
3. Bassanini, A., & Scarpetta, S. (2001). The driving forces of economic growth: Panel evidence for the OECD countries. OECD Economic Studies, 33, 9–56.
4. Benhabib, J., & Spiegel, M. M. (1994). The role of human capital in Economic Development—Evidence from aggregate cross-country data. Journal of Monetary Economics, 34, 143–173.
5. Bond, S., Hoeffler, A., & Temple, J. (2001). “GMM estimation of empirical growth models”, CEPR discussion paper no. 3048. Centre for Economic Policy Research.