The authors would like to thank the International Rice Research Institute (IRRI) and the China Scholarship Council (CSC) for the financial support of the joint Ph.D. training program, as well as IRRI for providing Water Saving Technology survey data. We are grateful to Kei Kajisa for his instruction, help, and valuable comments. We also wish to acknowledge the assistance in data collection offered by Piedad Moya, Ma. Shiela Valencia, Bing Dong, and Lin Hong. The authors acknowledge useful comments from two anonymous referees and editorial assistance of Adam Barclay.
