1. School of Economics, Southwestern University of Finance and Economics, Chengdu, China
2. Université de Bourgogne, UFR Droit, sciences économique et politique, Dijon cedex, France
3. Laboratory of Public Economics, University of Abomey-Calavi in Benin, Gbégamey-Cotonou, Benin
4. SAXO Fintech Business School, University of Sanya, Sanya city, China
5. Department of Management, Wolkite University, Wolkite City, Ethiopia