Nzeh, Innocent Chile, Hycenth Oguejiofoalu Richard Ogwuru, David Ogomegbunam Okolie, and Jonathan Ibekwe Okolie. (2023) 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): 50–67. https://doi.org/10.18559/ref.2022.2.3.