Modelling and forecasting long memory and volatility in Nigeria’s consumer price index using an ARFIMA-FIGARCH approach. JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH, [S. l.], v. 4, n. 1, p. 84–96, 2026. DOI: 10.4314/jobasr.v4i1.10. Disponível em: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/16. Acesso em: 6 mar. 2026.