Duruibe, S.C., Chigbu, E.E., Ejezube, E.E. and Nwauwa, P.G. 2020. An Evaluation of Public Expenditure and Economic Growth in Nigeria Using the Sectorial Economic Function Approach. European Scientific Journal, ESJ. 16, 7 (Mar. 2020), 142. DOI:https://doi.org/10.19044/esj.2020.v16n7p142.