How do minimum wages affect earnings inequality in countries with large informal sectors? I provide reduced-form evidence that the 2000s minimum wage hike in Brazil raised overall inequality by increasing inequality inside the informal sector. I develop a model where heterogeneous firms select...

Despite recording double digit growth since 2000, Armenia's tax-to-GDP ratio has been fairly stable at about 14½ percent. This paper catalogues a range of factors that may account for Armenia's stubbornly for tax collection by benchmarking Armenia's tax-to-GDP against some comparator...

This paper examines tax policy and tax reforms in Uganda. Using household survey evidence, the paper identifies which taxes are progressive and investigates whether tax reforms have made the poor better or worse off. Household survey analysis reveals that some of the tax reforms implemented in...

Public sector revenue has declined markedly in the Philippines over the past seven years. Most observers of the Philippine economy agree that rebuilding public sector revenue will be critical to reducing deficits and ensuring public sector debt sustainability. This paper reviews several of the...

The paper shows how tax rate cuts can increase revenues by improving tax compliance. The intuition is that tax evasion has externalities: tax evaders protect each other, because they tie down limited enforcement capacity. Thus, relatively small tax rate cuts, which decrease incentives to evade...

São Tomé and Príncipe is very open and highly depends on imports resulting in high indirect tax revenue. At the same time, the production and export base are very narrow, leaving the authorities with a small domestic tax base. For these reasons, the country compares unfavorably with...

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...

This paper examines the role of tax administration in developing countries from an economic perspective. The traditional separation of tax policy and tax administration in the literature is shown to break down in developing countries, where tax administrators decide in what manner complicated...

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 studies an optimal tax problem for a small open economy where collecting taxes is costly. It is shown that, in the presence of collection costs modeled as an increasing function of the tax rate: (a) the standard rules of optimal commodity taxation (the Ramsey, the inverse elasticity,...