LAWAL, Adedoyin Isola; BABAJIDE, Abiola A.; NWANJI, Tony Ikechukwu; ELUYELA, Damilola. Are Oil Prices Mean Reverting? Evidence from Unit Root Tests with Sharp and Smooth Breaks. International Journal of Energy Economics and Policy, [S. l.], v. 8, n. 6, p. 292–298, 2018. Disponível em: https://mail.econjournals.com/index.php/ijeep/article/view/6980. Acesso em: 23 dec. 2024.