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...
Working Paper
Effective corporate tax burden and firm size in South Africa
We investigate the relationship between the corporate income tax burden and firm size in South Africa using a panel dataset from companies’ tax returns. We find that medium-sized companies are experiencing the lowest effective tax rate, while the...
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
Redefining tax progressivity in developing countries
Recent evidence from developing countries shows that the bottom of the income distribution pays more taxes relative to their income than the top 1%, highlighting a lack of tax progressivity in these societies. Current measures of tax progressivity...