Based on a simple overlapping generations model with endogenous fertility, we show that the effectiveness of social security reform and childcare support depends much on the openness of the economy, altruism, and initial fertility. For example, introducing a child allowance, which is often...

This paper investigates how social security redistributes lifetime income within the same generation in Japan, based on data from the Survey on the Redistribution of Income. The progressivity of Japan's public pension program appears to be much more limited on a lifetime basis than on an annual...

The purpose of this paper is to analyze the factors that would affect the married couple's decision to coreside with their parents and a wife's decision to work in Japan, explicitly considering the simultaneous structure of these two decisions. Unlike preceding studies, we distinguish...

This paper examines an ideal pension system that would prevent an increase in net pension liabilities and redress intergenerational inequalities. The direction of pension system reform that this paper proposes is to limit the amount of pension benefits to the sum of premiums, state...

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...

In this paper we investigate why and to what extent the government should have a social security trust fund, and how it should manage the fund in the face of demographic shocks, based on a simple overlapping-generations model. We show that the government should have a trust fund in some form,...

Although spousal resemblance on educations and occupations has increased in Taiwanese society, the official statistics do show a delay in the age at first marriage and fewer marriages among women in particular. Many blue-collar male workers and farmers have been suffered more from these changes...

We examine why cooperation among essential patent holders may not occur, despite significant gains for them and the users. We use the sequential coalition formation framework to show that no coalition may form when the number of patent holders is large, if a firm initiating the coalition can...