Earlier reports have described effects of child care policy on fertility and education investment in an endogenous fertility model. Nevertheless, these studies examine closed economies in which capital accumulation is achieved by saving or small open economies in which capital accumulation is...

We build a standard overlapping generations model with endogenous fertility and involuntary unemployment. Being different from a log utility function, the capital income tax affects saving at the model of constant relative risk-averse utility function (CRRA function). In the parameter condition,...

This paper investigates the effects of admitting immigrants to Japan on the welfare of native Japanese residents. The paper considers the imperfect substitutability between native and immigrant laborers in line with the pension and education systems. It is argued that immigration may have...

Purpose: An increase in life expectancy brings about an aging society, necessitating increasing demand for elderly care services. The purpose of this paper is to present an examination of: how an aging society affects the demand for elderly care services and the labor market for elderly care...

This paper presents examination of how a pension policy affects income growth and the inflation rate in a utility model. Even if the contribution rate of pension increases because of an aging society, an aging society increases income growth and the inflation rate. Moreover, this paper presents...

We consider the effects of admitting immigrants with the burden of giving schooling to the native and the immigrant children. It may sound paradoxical; this model shows admitting immigrants may improve the welfare of the native when the necessary number of educators the immigrant children need...

This paper analyzes the impact of accepting foreign workers, not just from the perspective of an increase in imperfect substitute labor supply, but also including the indirect aspect of an increased educational burden due to the expansion of residency rights. The results lead to the conclusion...

The stock of public debt in some developed countries continues to increase because of a lack of tax revenues and the burdens of social security. Many of those developed countries suffer from lower birth rates. Child allowances might help to raise fertility, leading to higher tax revenue in the...

The public debt stock in some economically developed countries continues to increase because of a lack of tax revenues and the concomitant burdens of social security. Many of those countries suffer from lower birth rates and consequently, have fewer children. Child allowances might be an...