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,...

In the context of the current tax policy debate in the United States, this paper reviews and discusses some of the main recurrent themes, as well as some of the most important tax reform proposals put forward over the past two decades. It finds that although there seems to be widespread...

We use the IMF's Global Fiscal Model to evaluate recent proposals to reform social security and the tax system in the United States. Introducing personal retirement accounts is unlikely to yield significant macroeconomic benefits unless it spurs additional fiscal consolidation to prevent a large...

Global economic integration intensified tax competition and raised concerns about the resulting "race to the bottom", which could undermine public investment and social spending. The aim of this paper is to test predictions that (i) there is interdependence in CIT rate setting in Eastern Europe...

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 reviews the tax policy debate in the United States on the move of the corporation tax from its present worldwide basis to a territorial basis, and considers the implications for the United States and the rest of the world. It finds that there is no clear view on whether the move would...

This paper provides an overview of full and partial allowance for corporate equity (ACE) tax systems in practice. In the recent past, ACE systems have been used in Austria, Croatia, and Italy. Brazil still applies a variant of such a system and Belgium introduced one this year. This paper...

Motivated by the concern that corporate income tax (CIT) competition may have eroded the tax base, this paper calculates average effective tax rates to measure the impact of CIT competition, including the widespread use of tax holidays, on the tax base for 15 countries in the Caribbean. The...

Like any tax, the VAT is vulnerable to evasion and fraud. But its credit and refund mechanism does offer unique opportunities for abuse, and this has recently become an urgent concern in the European Union (EU). This paper describes the main forms of noncompliance distinctive to a VAT, considers...