Institution: | 1. Center for Business Management, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, Chinajiaoge@hitsz.edu.cn;3. Department of Economics and Center for Policy Research, Syracuse University, Syracuse, NY 13244, USA;4. Institute for the Study of Labor (IZA), Bonn, Germany;5. Food and Resource Economics Department, University of Florida, Gainesville, FL 32611, USA |