“…Therefore, these findings on GEPU and oil price impacts validate the primary assumption of nonlinear relationship between sectoral stock returns and global risk factors. Moreover, the existing studies also discussed about nonlinear relationship between sectoral stock returns and global factors with empirical evidences (Aloui & Jammazi, 2009;Aloui, Nguyen, & Njeh, 2012;Arouri et al, 2016;Jammazi & Aloui, 2010;Jammazi & Nguyen, 2015;Moya-Martínez et al, 2014;Reboredo, 2010;Zhu et al, 2017;Zhu, Guo, You, & Xu, 2016).…”