Working Paper
Illicit financial flows and the Global South
Illicit financial flows (IFFs) constitute a major challenge for development in the Global South, as domestic resource mobilization is imperative for providing crucial public services. While several methods offer to measure the extent of IFFs, each...
Working Paper
The case of taxing multinational corporations in Uganda
We study how large domestic firms and multinational corporations compare in their effective tax rates and whether there is evidence of profit shifting out of Uganda. Using administrative data from the Uganda Revenue Authority and regression analysis...
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
Overcoming the challenge of illicit financial flows: Four pieces of advice for policymakers
From profit shifting to sanction evasion, illicit financial flows divert funds away from essential poverty-fighting and infrastructure programs. A...
Working Paper
Tax-motivated transfer mispricing in South Africa
This paper provides the first direct systematic evidence of profit shifting through transfer mispricing in a developing country. Using South African transaction-level customs data, I directly test for transfer price deviations from arm’s-length...
Working Paper
Big and ‘unprofitable’
Globally, the largest 0.001 per cent of firms earn roughly one-third of all corporate profits. Nonetheless, there is little understanding of how profit shifting differs across firm size. Using South African corporate tax returns from 2010–14, we...
Working Paper
Do multinational companies shift profits out of developing countries?
This study aims at providing causal evidence for tax-motivated profit-shifting out of developing countries, which, while often claimed to be the most affected, have been largely neglected in the literature. It uses global firm-level panel data from...
Working Paper
Estimating the scale of profit shifting and tax revenue losses related to foreign direct investment
Governments’ revenues are lower when multinational enterprises avoid paying corporate income tax by shifting their profits to tax havens. In this paper, we ask which countries’ tax revenues are affected most by this tax avoidance and how much. To...
Research Brief
Revenue losses from tax-motivated mispricing in South Africa
New research provides the first direct evidence of tax-motivated transfer mispricing in a developing country. Using highly detailed firm-level customs data from the tax authority, the analysis calculates the difference between legitimate estimates of...
Blog
How multinationals continue to avoid paying hundreds of billions of dollars in tax: New research
by
Miroslav Palanský
October 2019
Tax havens have become a defining feature of the global financial system. Multinational companies can use various schemes to avoid paying taxes in...
Research Brief
The impact of tax havens on South African revenue
The study uses a comparative analysis of foreign-owned firms operating in South Africa to show that firms with a parent registered in a tax haven tend to report 80% less in profits than similar firms without a parent in a tax haven. This is highly...
In the media
SA-TIED researcher interviewed on tax haven research
SA-TIED researcher, Ludvig Wier, has featured in multiple South African news outlets explaining new research findings from the programme. Wier was invited to speak to anchors from South Africa’s national news channels, SABC and eNCA. He was also...
Working Paper
An evaluation of interest deduction limitations to counter base erosion in South Africa
This paper aims to describe funding structures of companies liable for tax in South Africa and how this relates to other characteristics, including ownership, of the companies. The research that the paper reports on was performed as descriptive...