In Japan, intergenerational inequality in lifetime resources is substantial, with a heavier fiscal burden on the young than the old. Moreover, given the need for fiscal consolidation, the inequality is even worse than existing policy would suggest. However, this does not mean that fiscal...

Tax laws and administrations often treat different size firms differently. There is, however, little research on the consequences. As modeled here, oligopolists with different efficiencies determine the size distribution of firms. A government that maximizes a weighted sum of consumer surplus,...

This paper sets out a framework for analyzing optimal interventions by a tax administration, one that parallels and can be closely integrated with established frameworks for thinking about optimal tax policy. Its key contribution is the development of a summary measure of the impact of...

Presumptive income taxes in the form of a tax on turnover for SMEs are pervasive as a way to reduce the costs of compliance and administration. We analyze a model where entrepreneurs allocate labor to the formal and informal sectors. Formal sector income is subjected either to a corporate income...

The IMF has advised country authorities to roll back tax expenditures as a way to support fiscal consolidation efforts - urging them to evaluate tax expenditures according to clear criteria, and assessing their impact on public finances, economic efficiency, equity, and administrative and...

The IMF has advised country authorities to roll back tax expenditures as a way to support fiscal consolidation efforts — urging them to evaluate tax expenditures according to clear criteria, and assessing their impact on public finances, economic efficiency, equity, and administrative and...

The benchmark optimal income taxation model of Mirrlees (1971) finds that the optimal marginal income tax rate (MIT) is always non-negative. A key model assumption is the coincidence between social and individual work preferences. This paper extends the model to allow for differences in social...

The paper provides a critical review of the literature on the concept of progressivity in thetaxation of petroleum and mineral resources and offers a fresh perspective on its purpose andmeasurement. Regressive taxes, such as royalties, exist to satisfy policy objectives other thanrevenue...

This paper addresses two fundamental issues in indirect tax design. It first revisits the case for reduced rates on items especially important to the poor, establishing conditions under which even very crudely targeted spending measures better serve their interests. It then explores the welfare...

This paper provides an overview of the key economic factors that shape tax policy reform in many high-income countries, developing countries, and/or transition economies. The paper describes and evaluates global and regional developments with respect to tax rates and revenue ratios over the last...