In most OECD countries the gap between rich and poor has widened over the past decades. This paper analyzes whether and to what extent taxes and social transfers have contributed to this trend. Has the redistributive power of different social programs changed over time? The paper contributes to...

Most welfare states design their tax/benefit system to combat income poverty. Some countries are more effective in poverty alleviation than others. What can explain these variations in outcomes and effectiveness? And has the redistributive power of different social programs changed over time and...

Using observational micro data from the Luxembourg Income Study (LIS), we assess the redistributive impact of tax and transfer configurations across 22 OECD countries for the period 1999-2013. After recovering new tax data (employer social contributions), we measure the reduction of income...

In the distributive analysis, the constant relative inequality aversion utility function is a standard tool for ethical judgements of income distributions. The sole parameter ε of this function expresses a society’s aversion to inequality. However, the profession has not committed to the...