The adoption of the value-added tax has arguably been one of the most important tax policy measures worldwide, but is also one of the most heatedly debated. While some argue that the VAT has served as a useful tool to boost government revenue, others claim that it is also a regressive tax,...

A large informal sector is a challenge for developing countries building up social protection systems. Expanding social safety nets reduces poverty, but financing them can increase the tax burden, potentially reducing availability of formal sector jobs. This paper quantifies impacts on income...

This paper presents a synopsis of the contextual conditions, factors and challenges under which the recent evolution of tax systems has taken place over the past three decades. The paper gives especial emphasis to the role of natural endowments, political economy, social structure and history,...

The majority of the world's poor, by income poverty and multi-dimensional poverty, now live in countries officially classified by the World Bank as middle-income countries. Of course nothing happens when a country crosses a (somewhat) arbitrary threshold in per capita income but it does matter...

This paper discusses the emergence of two new middles since the Cold War, namely middle-income countries and people living above absolute poverty but below a security-from poverty-line. The paper sets out what has happened. It is argued that although there has been substantial economic growth,...

We utilize the recently updated UNU-WIDER Government Revenue Dataset, which covers key indicators on tax and non-tax revenues for 196 countries since the 1980s, to study the dynamics of government revenue tax collection across selected periods from 1985 up to the most recent available year...