Maduka, Anne C.; Ogwu, Stephen O.; Ekesiobi, Chukwunonso S. - 2022
institutional quality in Nigeria from 1990 to 2020, by employing long run and short run dynamic ARDL regression, quartile regression … by the quartile regression outcomes and granger causality. The study therefore concludes that CO2 emissions - economic … run instead of the inverted U-shape curve postulated by the EKC hypothesis. This was confirmed by both ARDL and quartile …