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 aims to analyse the social assistance systems in five South European countries: France, Greece, Italy, Portugal and Spain. After reviewing the existing system of social assistance in each country, we apply a consistent methodology in order to estimate its impact on income...

By the mid-1990s the potential and usefulness of microsimulation models for researching tax-benefit systems had found widespread acceptance. Nevertheless, models were not widely available for independent or academic research in all countries of the European Union (EU). Even more important,...

Almost all OECD countries operate comprehensive minimum-income programmes for working-age individuals, either as last-resort safety nets alongside primary income replacement benefits, or as the principal instrument for delivering social protection. Such safety-net benefits aim primarily at...