Extant research has found that an individual's happiness is relative with respect to income, suggesting that it rises with own income and falls as the income of a reference group increases. Some recent studies emphasize that the effect of relative income is mediated by the extent to which people...

The main purpose of this paper is to study how individual differences in implicit worldviews regarding categories versus relationships affect altruistic behavior towards parents, children and non-family members, using the survey data of Korea, Japan and the US. Altruism and intergenerational...

The main purpose of this paper is to study how the individual differences in non-cognitive skills, as measured by Big-Five personality traits, explain the variation in labor market outcomes. By analyzing the Japanese and US survey data, this study attempts to analyze how personality traits are...