1. International Business School; Shaanxi Normal University; Xi'an
2. Center for Experimental Economics in Education; Shaanxi Normal University; Xi'an
3. Department of Health Policy and Management; University of North Carolina at Chapel Hill; North Carolina
4. Postdoctoral Scientific Research Workstation; Postal Savings Bank of China & Center for post-doctoral studies; Renmin University of China
5. Renmin University of China; Beijing
6. Center for Chinese Agricultural Policy; Institute of Geographic Sciences and Natural Resources Research; Chinese Academy of Sciences; Beijing
7. Rural Education Action Project; Stanford University; California