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...

Using an original dataset, we investigated the determinants of individual preferences over income redistribution in Japan. Although income level is negatively correlated with support for redistribution, it does not explain much; there are other important factors, which relate to dynamics and...