Modern tax administrations seek to optimize tax collections while minimizing administration costs and taxpayer compliance costs. Experience shows that voluntary compliance is best achieved through a system of self-assessment. Many tax administrations have introduced self-assessment principles in...

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...

Personal Income Tax (PIT) is one of the key sources of revenues in Advanced Economies (AEs) but plays a much more limited role in Low-Income Developing Countries (LIDCs) and Emerging Market Economies (EMEs), both in terms of revenue and redistributive impact. Notwithstanding, this paper shows...

Invoices document economic transactions and are thus critical to assess tax liabilities. We study a reform in the Dominican Republic that aimed to integrate invoice management into a broader, more comprehensive, risk-based compliance strategy. By rationing authorized invoices based on an extra...

Personal income taxes (PITs) play little or no role in the Middle East and North Africa, often yielding less than 2 percent of GDP in revenue—with the exception of few North African countries. This paper examines how PITs have evolved in recent decades, and what they might look like in the...

This paper examines the constraints that negative externalities (i.e., smuggling from a large neighbor) impose on the application of automatic fuel price adjustment mechanisms. It is often recommended to establish an automatic price adjustment mechanism to reduce fuel subsidy expenditures, but...

This paper provides estimates of Indian GDP constructed from the output side for the pre-1871 period, and combines them with population estimates to track changes in living standards. Indian per capita GDP declined steadily between 1600 and 1871. As British living standards increased from the...

Measuring income tax progression is a matter of many debates among groups with specific social interests. These debates are a consequence of disagreements regarding the model they prefer for measuring income tax progression. For this reason, authors with interest in this field suggest different...

This paper investigates the effects of economic size and trade openness on tax design in the OECD. Using data for thirty OECD countries over the 1965-2007 period, we test the recently proposed Hines-Summers [2009] Hypothesis, according to which the smaller the size and the greater the openness...

This paper examines how labor taxation (personal income taxes and social security contributions) in the Western Balkan contributes to labor market outcomes such as high informality and a significant gender gap in participation rates. We find that limited progressivity combined with high tax...