1. School of Public Administration, Central South University, Changsha 410083, Hunan, China
2. College of Economics and Management, Hunan University of Arts and Science, Changde 415000, Hunan, China
3. School of Computer and Electrical Engineering, Hunan University of Arts and Science, Changde 415000, Hunan, China
4. Hunan Province Cooperative Innovation Center for the Construction and Development of Dongting Lake Ecological Economic Zone, Hunan University of Arts and Science, Changde 415000, Hunan, China