The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
138 Trials Found
Shaanxi Province
Henan Province
Zhejiang Province
Central Province
Southern Province
Buenos Aires Province
Shandong Province
Province of Kossi
Beijing, Jilin, Hebei, Ningxia, Sichuan, Zhejiang, Jiangsu, Anhui, and Yunnan.
Dalian, Liaoning Province