1. Anderson, K. G., Case, A., & Lam, D. (2001). Causes and consequences of schooling outcomes in South Africa: Evidence from survey data. Social Dynamics, 27(1), 37–59.
2. Becker, G. S. (1975). Human capital: A theoretical and empirical analysis with special reference to education. New York: National Bureau of Economic Research.
3. Berger, J. B. (2000). Optimizing capital, social reproduction, and under-graduate persistence: A sociological perspective. In Reworking the student departure puzzle (pp. 95–124).
4. Branson, N., Garlick, J., Lam, D., & Leibbrandt, M. (2012). Education and inequality: The South African Case. SALDRU Working Paper Series Number 75.
5. Cabrera, A. F., Stampen, J. O., & Lee Hansen, W. (1990). Exploring the effects of ability to pay on persistence in college. The Review of Higher Education, 13(3), 303–336.