The paper is a summary of the exchange of knowledge and experience that took place in the course of the project "Mutual Learning for Reducing Tax Gaps in V4 Countries and Ukraine" co-financed by the Visegrad Fund in the years 2016-2017. Five institutions took part in the project: Center for...

The paper summarizes knowledge on tax gaps in Poland with respect to PIT, CIT, VAT, and excise. An introduction to the Polish tax system is given, trends in tax collect ability and estimates of the tax gaps are discussed, and methods of combating tax evasion and avoidance are reviewed. The paper...

The paper is a summary of the exchange of knowledge and experience that took place in the course of the project "Mutual Learning for Reducing Tax Gaps in V4 Countries and Ukraine" co-financed by the Visegrad Fund in the years 2016-2017. Five institutions took part in the project: Center for...

The paper summarizes knowledge on tax gaps in Poland with respect to PIT, CIT, VAT, and excise. An introduction to the Polish tax system is given, trends in tax collect ability and estimates of the tax gaps are discussed, and methods of combating tax evasion and avoidance are reviewed. The paper...

This paper examines the determinants and margins of profit shifting through transfer pricing. We develop a theory model, where transfer pricing patterns are governed by a generalized concealment cost function (CCF). Our empirical analysis draws on micro-level data about transaction-level...

This Report has been prepared for the European Commission, DG TAXUD under contract TAXUD/2017/DE/329, "Study and Reports on the VAT Gap in the EU-28 Member States" and serves as a follow-up to the six reports published between 2013 and 2018. This Study contains new estimates of the Value Added...

There are two ways for taxpayers to avoid paying taxes: legally, through tax optimization and illegally, through tax evasion. The government reacts by altering the law, and by conducting audits, respectively. These phenomena are modeled as a population game, a strategic interaction between all...

CASE prepared a new study for the European Commission on the VAT Gap in the European Union in 2015. The figures offer an important snapshot of the problems of collecting VAT in the EU and what needs to be done to improve revenues and fight tax fraud. During 2015, the overall VAT that should have...

There is a ongoing debate about whether inheritance and estate taxes are effective in raising revenues and in contributing to a more equal society. The different views on transfer taxes are largely dependent on beliefs about whether people plan their wealth to avoid these taxes. In this paper,...

In this Report, the Authors present the new Value Added Tax (VAT) Gap estimates for 2016, as well as updated estimates for 2012-2016. In addition to the analysis of the Compliance Gap, this Report examines the Policy Gap in 2016 as well as the contribution that reduced rates and exemptions made...