1. School of Urban Economics and Public Administration, Capital University of Economics and Business, Beijing 100070, People’s Republic of China
2. School of Business Management, Liaoning Vocation Technical college of Modern Service, Shenyang 110164, Liaoning, People’s Republic of China
3. School of Public Finance and Taxation, Capital University of Economics and Business, Beijing 100070, People’s Republic of China
4. School of Economics, Capital University of Economics and Business, Beijing 100070, People’s Republic of China