The regressivity of CIT exemptions in Africa. (With Alou Adesse Dama and Gregoire Rota-Graziosi). International Tax and Public Finance 31, 909-934, 2024.

The tax burden on mobile network operators in Africa. (With Gregoire Rota-Graziosi). Telecommunications Policy 46:5, 102293, 2022.

Demand price elasticity of telecommunication services: A comparative firm-level data analysis. Information Economics and Policy 57, 100939, 2021.

Does mobile money adoption foster intra-African goods trade? (With Abdoul-Akim Wandaogo). Economics Letters 199,  109681, 2021.

Taxing mobile money: theory and evidence. (with Michael Barczay, Shafik Hebous, and Jean-François Wen). IMF Working Paper No. 2025/255, 2025.

Coups d'état and Taxes Revenues in Africa. (with Amadou Boly). AfDB Working Paper No. 381, 2024.

Does the adoption of peer-to-government mobile payments improve tax revenue mobilization in developing countries? (with Abdoul-Akim Wandaogo and Jesse Lastunen). WIDER Working Paper No. 2022-18, 2022.