1. App, P., & Rees, R. (2012). Optimal Taxation, Child Care and Models for Households (Discussion Paper 6823). Bonn: IZA.
2. Augusztinovics, M. (1989). The Costs of Human Life. Economic Systems Research, 1, 5–26.
3. Becker, G. S. (1960). An Economic Analysis of Fertility. In R. Esterline (Ed.), Demographic and Economic Change in Developed Countries. Princeton: Princeton University Press.
4. Becker, G. S. (1991). A Treatise on the Family, an enlarged edition. Cambridge, MA: Harvard University Press.
5. Becker, G. S., & Barro, R. (1988). A Reformulation of the Economic Theory of Fertility. Quarterly Journal of Economics, 103, 1–25.