Asymmetric effect of tax systems on poverty and inequality: Exploring the distributional impact of domestic resource mobilization systems in Ghana

Frank Adu, Imhotep Paul Alagidede, Dennis Boahene Osei and Michael Effah Asamoah

Cogent Economics & Finance, 2023, vol. 11, issue 1, 2166211

Abstract: Earlier studies have assumed the effect of tax systems on poverty and inequality to be symmetric by imposing linear specifications. In this study, we account for possible asymmetries by re-examining the effect of tax systems on poverty and inequality in Ghana. We rely on the Nonlinear Autoregressive Distributed Lag (NARDL) estimation techni que and time-series data from 1983 to 2016. The findings revealed that, while the nexus between tax systems and poverty is asymmetric, the reverse holds for the relationship between tax systems and inequality. Specifically, we establish that, while positive (negative) shocks in direct taxes raise (reduce) the level of poverty, the shocks in indirect and overall tax systems produce negative results. Moreover, the symmetric evidence is observed only for indirect taxes and inequality in the long-run, and the relationship is positive. We recommend for a poverty reduction strategy that is centered on tax reduction at all levels. Equally important is a policy that has a firm foundation in the indirect tax system to bridge the inequality in Ghana.

Date: 2023
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DOI: 10.1080/23322039.2023.2166211

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