Kwabena Adu-Ababio is a Research Associate at UNU-WIDER. He is a core Fiscal Space research area member within the SOUTHMOD and Tax Research for Development projects. His work focuses on tax-benefit microsimulation models for Ghana and Zambia and Tax administration and policy in Zambia. His research interests include development economics, public economics, and applied microeconomics.
He received his PhD in Economics from the University of Helsinki and has previously worked with the Institute of Statistical, Social and Economic Research (ISSER) at the University of Ghana, conducting research in experimental designs and impact evaluations in Burkina Faso, Ghana and Nigeria.
We investigate the behavioural responses of individual taxpayers to changes in marginal personal income tax rates applying empirical bunching methodology to tax administrative data from Zambia over the period from 2014 to 2021. We find evidence for...
This report documents GHAMOD, the SOUTHMOD model developed for Ghana. This work was carried out by the Institute of Statistical, Social and Economic Research (ISSER) at the University of Ghana in collaboration with the project partners. The results...
This paper explores two policy interventions in Zambia, a minimum wage hike in 2018 and an upward revision in the first kink in the progressive income tax schedule in 2017, to examine and compare the impact of minimum wage and tax kink changes on...
We investigate the behavioural responses of individual taxpayers to changes in marginal personal income tax rates applying empirical bunching methodology to tax administrative data from Zambia over the period from 2014 to 2021. We find evidence for...
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