During the period of 2001-2006, the Liberal Democratic Party (LDP) adopted a market-oriented policy under the Koizumi cabinet. In 2006, following the formation of the first Abe cabinet, the LDP returned to a traditional redistributive policy. We assume that the supporters of the Koizumi cabinet...

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...