ESTIMATION OF TRADE ELASTICITIES IN NIGERIA: A TEST OF MARSHALL–LERNER CONDITION (1981–2010). JOS JOURNAL OF ECONOMICS, [S. l.], v. 5, n. 1, p. 87–111, 2025. Disponível em: https://journals.unijos.edu.ng/index.php/jje/article/view/769. Acesso em: 6 mar. 2026.