[Note:] This paper is an adapted version of the substantive part of the Final Report to the European Commission of the project 'Improving the Capacity and Usability of EUROMOD (I-CUE)', Research Infrastructures Design Study 011859.

Tax and benefit systems in the enlarged EU vary significantly in size and structure. We examine how taxes and benefits shape income distributions in 19 EU countries, focusing on the differences between Western European countries (EU15) and Eastern European countries (Estonia, Hungary, Poland,...

Flat tax schemes are popular in Eastern Europe, with an ever increasing number of countries where it is introduced, and yet many other where it is recurringly discussed. Analysing three countries, we show that the design of such schemes largely determines their impact on fiscal revenues and on...