Nzeh, I.C., Ogwuru, H.O.R., Okolie, D.O. and Okolie, J.I. 2023. Economic openness, institutional quality and per capita income: Evidence from the Economic Community of West African States (ECOWAS). Research Papers in Economics and Finance. 6, 2 (Feb. 2023), 50–67. DOI:https://doi.org/10.18559/ref.2022.2.3.