In a continuous-time economy with complete markets, we study how the heterogeneity in the individual consumers' risk tolerance and impatience affects the representative consumer's risk tolerance and impatience. We derive some formulas, which indicate that the representative consumer's impatience...

We examine how regional inequality affects happiness and self-rated health at an individual level by using micro data from nationwide surveys in Japan. Individuals who live in the area of high inequality tend to report themselves as both unhappy and unhealthy, even after controlling for various...

Social security tends to be unsustainable in nature in that it reduces individuals' demand for children as a measure to support their old age, which in turn undermines the financial base of social security. Using a simple overlapping-generations model with endogenous fertility and income...

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In Japan, retirement is a gradual process that transpires over a particularly long period of time. Using large scale micro-level datasets from the Survey of Employment of the Elderly compiled by the Japanese government, we provide some stylized facts on the development of retirement behavior...

We examine the effect of collective rights organizations (CROs) on upstream innovation. CROs are established to facilitate downstream use, such as production and downstream innovation, of upstream intellectual property. We compare CROs with two alternative royalty redistribution rules, two...

We attempt to examine the extent to which poverty in childhood adversely affects success in adulthood, using micro data from nationwide surveys in Japan and taking into account the recursive structure of life outcomes. We use retrospective assessments of income class at the age of 15, because...

We investigated how regional income inequality is associated with the individual assessment of happiness based on micro data from nationwide surveys in Japan. Our multilevel analysis using logit and ordered logit models confirmed that individuals who live in areas of high inequality tend to...

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Background: It is widely known that smokers tend to feel less satisfied than non-smokers with their jobs and life more generally. However, it is not easy to establish a causal relationship between smoking and individual well-being, because of shared associations with socioeconomic or demographic...