Abdullahi, Shafiu Ibrahim - In: Islamic economic studies 29 (2021) 1, pp. 50-66
generalized method of moments (GMM), autoregressive distributed lag (ARDL) and multivariate GARCH (MGARCH) models for analysis of … subgroups are cointegrated except the low COVID-19 subgroup. Based on MGARCH findings, the possibility of volatility …