Spatial econometric analysis of regional economic disparities in Nigeria: Mapping the determinants of poverty and wealth . The Economics and Finance Letters, [S. l.], v. 13, n. 3, p. 39–60, 2026. DOI: 10.18488/29.v13i3.4989. Disponível em: https://archive.conscientiabeam.com/index.php/29/article/view/4989. Acesso em: 4 aug. 2026.