1. Associate Professor, School of Statistics and Mathematics, Research Center for Statistics and Interdisciplinary Sciences, Shandong Univ. of Finance and Economics, Jinan, Shandong 250014, China.
2. Graduate Research Assitant, School of Statistics and Mathematics, Shandong Univ. of Finance and Economics, Jinan, Shandong 250014, China.
3. Lecturer, Macquarie Business School, Macquarie Univ., Sydney, NSW 2109, Australia.
4. Assistant Professor, School of Economics and Management, Tongji Univ., Shanghai 200092, China (corresponding author). ORCID: .
5. Frederick Law Olmsted Professor, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332. ORCID: .