Working Paper
Glimpses of fiscal states in sub-Saharan Africa
There is a widespread perception that taxing in sub-Saharan Africa has been and remains fraught with problems or government failure. This is not generally true. For more than a century, colonial administrations and independent states have steadily...
Working Paper
An assessment of presumptive tax in Uganda
Presumptive tax, a final tax on business income, was introduced in Uganda in 1997. The latest reform to the regime in July 2020 sought to make the system more progressive, simpler, and fairer to small firms. In this work, we evaluate the reform...
Working Paper
Do tax administrative interventions targeted at small businesses improve tax compliance and revenue collection?
This paper conducts an impact evaluation of the effects of two tax administration interventions—a taxpayer register expansion and education programme, and a new electronic filing system for presumptive tax—on the number of small business taxpayers...
Working Paper
The effects of a risk-based approach to tax examinations
While technical assistance and increased use of ICT in the area of tax administration have been regarded to hold considerable promise for greater revenue collection, the evidence on how these activities work in the real-world circumstances of...
Working Paper
Global minimum corporate income tax
This paper simulates the impact of the global minimum corporate tax rate (GMCTR) in Uganda by estimating the difference between the mechanical and the behavioural changes in tax revenue. Overall, implementation of GMCTR will increase tax revenue, and...
Blog
Ending aid dependency: Taxation in developing countries can be improved through collaboration
Finland aims to raise the amount of its development assistance to 0.7% of GDP, and this goal has good grounds. But how can we make sure that the...
Blog
Tools for effective tax administration
by
Janet Simbeye
September 2022
The importance of conducting high-quality analysis for policy advice cannot be understated. The UNU-WIDER Winter School for tax policy research...
Working Paper
Herding, rent-seeking taxpayers, and endemic corruption
In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with opposing objectives (the poor and the rich) push tax policy in different...
Working Paper
Estimating tax gaps in Zambia
Assessing tax gaps—the difference between the potential and actual taxes raised—plays a vital role in achieving positive domestic revenue objectives through improved and reformed taxation. This is particularly pertinent for growth outcomes in...
Working Paper
Assessing the impact of an intervention to withhold value-added tax in Zambia
Improving tax collection is essential if developing economies are to avoid over-reliance on external donor funds and loans. Revenue authorities in the Global South have recently adopted new policy tools to improve domestic revenue mobilization...
Journal Article
The effects of a risk-based approach to tax examinations: evidence from a tax pilot programme in Tanzania
Technical assistance and increased use of ICT in tax administrations hold promise for greater revenue collection. Yet, the evidence on how these activities work in the real-world circumstances of developing countries is scant. The paper attempts to...
Journal Article
Herding, taxpayer's rent seeking and endemic corruption
In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with conflicting objectives (the poor and the rich) push tax policy in...