Bin Qiu, Professor, School of Economics and Management, Southeast University, China. Email: b_qiu@126.com; Feifei Wu (corresponding author), PhD candidate, School of Economics and Management, Southeast University, China. Email: liner_100@126.com; Baoqing Tang, Associate Professor, School of International Economics and Business, Nanjing University of Finance and Economics, China. Email: tangbaoqing@126.com; Xiuyan Liu, Associate Professor, School of Economics and Management, Southeast University, China. Email: lxiuyan320@seu.edu.cn.