The primary objective of this paper is to examine how, and to what extent, changes in income tax rates and income tax deductions affect income inequality from a longitudinal perspective, by using microdata of Japanese individuals and households. The findings of this paper could shed light on the...

Der Abbau der so genannten kalten Progression ist ein regelmäßig wiederkehrendes Thema in der wirtschaftspolitischen Debatte. Dabei geht es darum, dass die Steuerpflichtigen inflationsbedingt in eine höhere Progressionszone hineinwachsen, ohne dass ihr Realeinkommen entsprechend gestiegen...

Usually, only initial revenue effects of personal income tax reforms are considered. However, a tax reform characterized by base broadening in exchange for rate reduction can reduce the income elasticity of tax revenue. In that case, the increase in revenue after income growth will be relatively...

During the last decade, research on income inequality has paid special attention to top income earners. At the same time, top marginal tax rates on upper income earners have declined sharply in many OECD countries. Discussions are still open on the relationship between the increase of the income...