1. Institute of Blue and Green DevelopmentShandong University Weihai China
2. School of International and Public AffairsShanghai Jiao Tong University Shanghai China
3. School of EconomicsZhejiang University of Finance and Economics Hangzhou China
4. Business SchoolUniversity of Shanghai for Science and Technology Shanghai China
5. Laboratory of Systems Ecology and Sustainability Science, College of EngineeringPeking University Beijing China