In empirical analysis, the Kakwani index is the most frequently used indicator for comparing progressivity across countries and over time. The Kakwani is often assumed to measure to what extent a policy design is targeted to the poor. It has, however, a major drawback: it is not defined for net...

This paper addresses the problem of the normative evaluation of income tax systems and income tax reforms. While most of the existing criteria, framed in the utilitarian tradition, are uniquely based on information about individual incomes, this paper, building upon the opportunity egalitarian...

Over the last few years concern for income inequality in European countries has increased remarkably. In this context, taxation is an important redistributive instrument and we investigate the redistributive role of direct taxes. We focus on the EU-15 countries and the evolution over the period...