Colombia has reduced extreme poverty in the past 16 years by almost half, moderate poverty by 22 percentage points, and made more than four million Colombians jump the threshold of multidimensional poverty. However, it remains one of the most unequal countries in the region, after Brazil and...

This paper reviews recent international initiatives and domestic policy developments aimed at helping countries to protect their tax base against erosion by individuals and companies that allocate assets to or route income via low tax jurisdictions. The paper highlights the benefits and...

An earlier paper titled "Non-linear effects of tax changes on output: The role of the initial level of taxation," estimated tax multipliers using (i) a novel dataset on value-added taxes for 51 countries (21 industrial and 30 developing) for the period 1970-2014, and (ii) the so-called narrative...

This paper assesses the impact of fiscal policy on the incidence, depth, and severity of poverty, and examines whether there is room for an increased role for fiscal policy in improving the wellbeing of the poor. The results show that the combined effect of taxes and social spending helped...

This paper studies tax withholding on business sales, a widely used compliance mechanism which is ignored by public finance theory. A withholding scheme, whereby the payer in a transaction collects tax from the payee, is introduced in a standard evasion model with third-party reporting. If the...

This paper seeks to find empirical evidence of a link between tax simplification and corruption in tax administration. It attempts to do this by first defining "tax simplicity" as a measurable variable and exploring empirical relationships between simpler tax regimes and corruption in tax...

This paper contributes to the empirical literature on the key determinants of the revenue generating potential in 61 countries. The paper uses a broad set of data and econometric methods to conduct analyses that are of relevance to revenue potential. Earlier studies have not distinguished...

One of the important factors for economic development is the existence of an effective tax system. This paper deals with the concept and empirical estimation of countries' taxable capacity and tax effort. It employs a cross-country study from a sample of 110 developing and developed countries...

The paper examines the incentives and distortions created by tax policy and administration structures that motivate individuals to undeclare or under-declare work in the new EU member countries. It analyses the tax level and the tax structure "mix" of tax instruments, the special taxation...

This explores the impact of a tax reform in some provinces of China which eliminated the value-added tax on some investment goods. While the goal of the experiment was to encourage upgrading of technology, the results suggest that there was no evident increase overall in fixed investment, and...