“…This suggests that the coefficients seen in the pooled data are diverse and statistically significant at both 1% and 5%. The slope homogeneity test was judged necessary to guarantee and validate the absence of evidence of homogeneity across the observed series (Personal and Archive, 2014;Pesaran et al, 2010;Pesaran and Yamagata, 2008;Ahmad, et al, 2015a;Ahmad, et al, 2015b;Ahmad, et al, 2015c;Ahmad, et al, 2015d;Ahmad, et al, 2015e;Ahmad, et al, 2015f;Umar, et al, 2015;Hassan, A., Babafemi, & Jakada, 2016;Kamalu, et al, 2019;Saidu, et al, 2018;Alkhawaldeh, et al, 2020;Ibrahim, et al, 2020;Jakada, et al, 2020c;Jakada, et al, 2020d;Adam, et al, 2021;Atiku, et al, 2021;Umar, et al, 2021;Jakada, et al, 2020d).…”