This paper provides the results of analyses of key problems related to pension systems and their reforms in Russia and Ukraine. The pension systems and their reforms in both countries are compared. They are also compared with the general picture observed in the OECD or selected countries...

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 main object of this paper is the study of tax evasion from a theoretical point of view. We construct a simple two-player model in order to analyze the interaction between the taxpayer and the IRS and the main tool we use is game theory. We derive equilibrium solutions for the static game and...

Tax Evasion is one of the major problems that Tax Administrations face the world over. This is however more pronounced in Developing countries. Tax Evasion is defined in this paper as the act of illegally paying less taxes (or not paying at all) than the amount legally required by the tax law....

Rise in the underground economy creates problems for the policy-makers to formulate economic policies, especially the monetary and fiscal policies. It is found that if there was no tax evasion, budgets balance might have been zero and positive for some years and we would not have needed to...

Tax evasion is typically analyzed in a principal/agent framework,the government (principal) trying to provide agents with the incentives to pay their taxes. However, evading sales, excise or trade taxes requires the cooperation of at least two taxpayers. When individuals evade taxes, they face...

Recent attempts of "regionalizing" the VAT, in order to expand fiscal autonomy margins attributed to Regions and to involve them in the hard struggle against tax evasion, strongly urge some considerations on some of the changes introduced in the Italian legal system by the 2001 constitutional...

Under Principal-Agent-Supervisor paradigm, we examine in this paper how a tax collection agency changes optimal schemes in order to lessen the occurrence of corruption between the tax collector and the taxpayer. The Principal, who maximizes the expected net fiscal revenue, reacts by decreasing...