1. Investment in human capital: A theoretical analysis;Becker;Journal of Political Economy,1962
2. Becker, G.S., 1975. Human Capital. University of Chicago Press, Chicago.
3. A theory of wage dynamics;Harris;Review of Economic Studies,1982
4. Agency, earnings profiles, productivity, and hours restrictions;Lazear;American Economic Review,1981
5. Mincer, J., 1974. Schooling, Experience, and Earnings. NBER, New York.