1. College of Economics and Management, Research Center for Soft Energy Science, Nanjing University of Aeronautics and Astronautics, Nanjing, China
2. Indal Global Business School, O P Jindal Global University, Sonipat, India
3. La Trobe Business School, La Trobe University, Melbourne, VIC, Australia
4. School of Statistics and Applied Mathematics, Anhui University of Finance and Economics, Bengbu, China