5 (5 - 26) RIC Anthony Enisan Akinlo, Olufunmilayo Olayemi Jemiluyi GOVERNMENT EXPENDITURE AND ECONOMIC GROWTH NEXUS IN NIGERIA... GOVERNMENT EXPENDITURE AND ECONOMIC GROWTH NEXUS IN NIGERIA: EVIDENCE FROM NONLINEAR ARDL AND CAUSALITY APPROACHES Anthony Enisan Akinlo, Olufunmilayo Olayemi Jemiluyi (1) Department of Economics, Obafemi Awolowo University, Ile-Ife (2) Department of Economics, Obafemi Awolowo University, Ile-Ife Anthony Enisan Akinlo Department of Economics, Obafemi Awolowo University, Ile-Ife, Nigeria aakinlo@oauife.edu.ng Article info Paper category: Original Scientific Paper Received: 29.9.2017. Accepted: 8.6.2018. JEL classification: O40, O55, R15 Keywords Government expenditure; Economic growth; NARDL cointegration; Nigeria 5