Department of Accounting

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    Taxation, democracy, and inequality in Sub-Saharan Africa: Relevant linkages for sustainable development goals
    (Plitictics and Policy (Wiley)), 2025-06) Adegboye Alex; Adegboye Kofo; Uwuigbe Uwalomwa; Ojeka Stephen A.; Fasanu Eyitemi
    Given that the linear linkage between taxation and income inequality remains unclear, especially in Sub-Saharan African countries, it is critical to explore how the redistribution channel of the tax system could mitigate income inequality within democratic institutions. Using the instrumental variable approach for robust analysis, this study explores the panel dataset of 42 Sub-Saharan African countries from 1996–2014. The following findings are documented. First, both unconditional linkages between taxation and democracy overwhelmingly reduce income inequality. Second, harnessing democracy with taxation has a net effect that reduces income inequality. Overall, this study establishes that a strong democratic system strengthens the tax system for an income redistribution strategy to enhance income equality. This study is relevant for the achievement of Sustainable Development Goal (SGD) 1 on poverty reduction, SDG 10 on inequality, and SDG 16 on strong institutions.
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    Driving information communication technology for tax revenue mobilization in Sub-Saharan Africa
    (Telecommunications Policy Volume 46, Issue 7, 2022) Adegboye Alex; Uwuigbe U.; Ojeka Stephen A.; Uwuigbe Olubukunola; Dahunsi Olajide; Adegboye Kofo
    This study explores whether increasing Information and Technology Communication (ICT) boosts government revenue mobilization for sustainable development in 48 Sub-Saharan African countries from 2004 to 2020. While total tax revenue non-resource as a percentage of GDP and tax revenue as a percentage of GDP are used to proxy for tax revenue mobilization, three ICT measures are used, namely; the telephone penetration rate, the mobile phone penetration rate and internet penetration rate. To perform the analysis, we adopt the Generalized Method of Moments (GMM). The empirical findings are as follows. First, while the calculated net impacts are substantially positive, the corresponding marginal ICT effects utilized for calculating net effects are extremely negative. Second, an extensive study is carried out to determine complementing policy thresholds. These thresholds include: 21.959 (per 100 people) telephone penetration for total income from tax revenue; 16.333 (per 100 people) internet penetration for total income from tax; 21.125 internet penetration (per 100 people) for the income from the tax on non-resource income. This study has policy relevance, and implications as the penetration of the ICT rate can be influenced by policies to mobilize government revenue effectively