This paper examines how social security reform and childcare support affect fertility and social welfare, based on a simple overlapping generations model with endogenous fertility. In an open economy with no altruism, introducing a childcare subsidy is the second-best solution under an aging...

This paper analyzes a social security policy with public debt in an overlapping generations growth model. In particular, the paper considers a situation in which population aging causes a heavy burden of social security payments where public debt is issued by the government to finance the...