This paper theoretically and empirically investigates the effect of natural resource rents on the process of economic liberalization and a potential moderating effect of the level of democracy. A simple political-economic model is developed in which the government in an autocratic country faces...

One of the most striking tax developments in recent years, and one that continues to attract considerable attention, is the adoption by several countries of a form of 'flat tax'. Discussion of these quite radical reforms has been marked, however, more by assertion and rhetoric than by analysis...

Two global initiatives are examples of the effective use of tax systems instruments to protect countries' tax sovereignty in a world of increasing globalization. These OECD/G20 initiatives will provide tax administration and policy researchers with valuable insights on taxpayer and government...

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...

This note investigates the impact of greater income inequality on the tax base, on the defacto fiscal space, and the sovereign spreads. Using data from 50 countries in 2005 and in 2010, we find that higher income inequality is associated with a lower tax base, lower de-facto fiscal space, and...

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...