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Integrated Analytical Model for Household Simulation (INAHSIM) is a dynamic microsimulation model that was first developed in the 1980s by a multidisciplinary research group. This study has attempted to improve the conventional INAHSIM in order to construct a more comprehensive alternative that includes social and economic elements. It has also revealed a(More)
The aging of the population in Japan is a serious problem, and the reform of the public pension system is a major political issue. Although the 2004 pension reform was enforced in Japan to ensure a sustainable pension system in such an aging society, people remain quite apprehensive about the pension system. They believe that the current situation wherein a(More)
In the current study, we investigated how initial job status at graduation from school is associated with midlife psychological distress, using microdata from a nationwide Internet survey of 3,117 men and 2,818 women aged 30-60 yr. We measured psychological distress using the Kessler 6 (K6) score (range: 0-24) and the binary variable of K6 score ≥5. We(More)
The social security system in Japan has been developed under the premises that the postwar families are common. The postwar family is that (1) most men and women get married; (2) husbands work as regular employees and wives are dependent homemakers; and (3) they seldom get divorce. Therefore, the social security system is generous for dependent wives and(More)
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