While social security systems in the developed countries including Japan are taking pay-as-you-go system based on the cooperation between generations, the fertility number as a tax base of social security is decreasing and the low fertility tendency is common in the developed countries. And if...

In this paper, we present an OLG simulation model with endogenous fertility in order to analyze the relationship between child benefit and fiscal burden in Japan. Our simulation results show that expansion of the child benefit will improve the welfare of current and future generations. On the...

This paper studies a possibility of efficiency improvement by child benefit programs in an overlapping generations economy with endogenous fertility and government debt. We derive conditions for improving an efficiency by child benefit using Representative-Consumer efficiency (RC-efficiency), an...