This paper analyzes developments in non-oil tax policy, administration, and revenues in Azerbaijan, and suggests measures for further improvement. The main finding is that Azerbaijan's non-oil tax revenues increased significantly as a share of non-oil GDP in the last five years, but remain below...

The paper reviews Slovakia's comprehensive reforms to its taxation and welfare systems in 2004, including the introduction of a flat-rate income tax and single-rate value-added tax (VAT), and linkage of social benefits to participation in labor market programs. Though revenues following the...

In 2005, the German government announced a far-reaching fiscal adjustment program. This paper uses the IMF’s Global Fiscal Model to study its impact and explores options for addressing long-term pressures from population aging. The growth effects of the planned VAT increase are likely modest,...

This paper assesses the distributional impact of the recent VAT reform in the Philippines and evaluates alternative methods to mitigate the effects of the reform on poor households. The reform was progressive and relatively well targeted. To alleviate the impact of the reform on the poor,...

This paper provides an assessment of the poverty and social impact of replacing Ethiopia's sales tax with a value-added tax (VAT). The results indicate that this reform has not had a major adverse effect on the poorest 40 percent of the population. The VAT is progressive in its incidence, and...

Starting in the early 1990s, the Baltics, Russia, and other (BRO) countries of the former Soviet Union initiated tax reforms that varied widely at the later stages. Recently, some of the BRO countries, basing decisions on the proposition that lowering of the top marginal income tax rate would...

This paper provides an overview of the key economic factors that shape tax policy reform in many high-income countries, developing countries, and/or transition economies. The paper describes and evaluates global and regional developments with respect to tax rates and revenue ratios over the last...

This paper examines tax revenue during the business cycle by estimating the relationship between tax revenue efficiency and the output gap. We find a positive and significant relationship between these variables; results are consistent for quarterly and annual data, and across advanced and...

The paper aims to identify the optimal size, speed and composition of the medium-term fiscal adjustment in the context of Sudan's limited oil reserves. The permanently sustainable non-oil primary balance approach suggests the need for significant fiscal adjustment over the medium term, requiring...

Has the VAT proved, as its proponents claim, an especially effective form of taxation? To address this, this paper first shows that a tax innovation-such as the introduction of a VAT- reduces the marginal cost of public funds if and only if it also leads an optimizing government to increase the...