“…Additionally, we used external shock factors such as Global economic policy uncertainty (GEPU) and Geopolitical risk (GPR) to divulge their conditionality on the nexus in the macroeconomic fundamentals of the G8 economies. The choice of the variables was motivated from several sources, for instance, GDP and CPI [ 7 , [9] , [10] , [11] , [12] , [13] , 36 ], GPR [ 14 , [25] , [26] , [27] , [28] , 31 , 32 ], and EPU [ 18 , 22 , 24 , 34 ]. In line with several economic events world economies have witnessed so far, we allowed a sample period from January 1997 to August 2021 restricted by consistent data available for the selected variables.…”