Domestic resource mobilisation is critical to fund government services and to support development. Taxes are a critical domestic revenue source that can also impact other social or economic outcomes. Understanding differences in the level and structure of tax revenues is therefore foundational...

Although economic growth continued to be lukewarm in 2021, tax revenue increased significantly, even exceeding the pre-crisis level despite economic policy measures associated with revenue losses. During the 2008-2011 global financial crisis, tax revenue followed a different path: Its recovery...

In the tax literature, the tax effort index for any country is usually measured by the ratio of the actual tax ratio to the predicted ratio. This reflects mainly the variance in the taxable capacity of a country. A high value of tax effort index indicates that a particular country is collecting...