1. College of Finance, Institute of High-Quality Development in Huaihai Economic Zone, Xuzhou University of Technology, Xuzhou 221018, China
2. China Institute of Urban Governance, Shanghai Jiao Tong University, Shanghai 200030, China
3. School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai 200030, China
4. Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines, School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
5. School of Foreign Languages, Xuzhou University of Technology, Xuzhou 221018, China
6. School of Political Science and Economics, Yonsei University, Seoul 03722, Republic of Korea
7. Western Australian School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6845, Australia