Preface --Introduction --State aid decisions and open formal investigations concerning the tax ruling practices of member states --Arm's length principle --Recovery, legitimate expectations and legal certainty --EU competences --International practices and the OECD --The way forward.

This report provides estimates of the VAT Gap for 26 EU Member States for 2013, as well as revised estimates for the period 2009-2012. It is a follow-up to the report “Study to quantify and analyse the VAT Gap in the EU-27 Member Statess, published in September 2013 (hereafter: 2013 Report),...

This report provides estimates of the VAT Gap for 26 EU Member States for 2012, as well as revised estimates for the period 2009-2011. It is a follow-up to the report "Study to quantify and analyse the VAT Gap in the EU-27 Member States", published in September 2013. This update incorporates the...

This report presents and discusses the findings of the "Study to quantify and analyse the VAT Gap in the EU-27 Member States", conducted by CASE and CPB. The main aim of the study was to help better understand the recent trends in the field of VAT fraud and analyse determinants of VAT Gaps using...

The scope of this working paper is to analyse to what extent the Intellectual Property Box regimes (“IP Boxes”) adopted in the European Union are compatible with the State aid legislation. What is understood during the analysis is that the introduction of a “nexus”, like the one imposed...