1. Barzel, Y. (1973). The determination of daily hours and wages. Quarterly Journal of Economics, 87(2), 220–238.
2. Becker, G. S. (1960). An economic analysis of fertility. In A. Coale (Ed.), Demographic and economic change in developed countries (pp. 209–240). Princeton: Princeton University Press.
3. Becker, G. S. (1965). A theory of the allocation of time. Economic Journal, 75(299), 493–517.
4. Becker, G. S. (1974). A theory of marriage. In T. W. Schultz (Ed.), Economics of the family (pp. 293–344). Chicago: Chicago University Press.
5. Becker, G. S. (1975). A theory of social interactions. Journal of Political Economy, 82(6), 1063–1093.