The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
10 Trials Found
Shandong
Shandong, Binzhou
Jinan City, Shandong Province
Shandong,
Hubei, Shandong, Shanxi
Guangdong, Guangxi, Gansu, Anhui, and Shandong
Inner Mongolia, Shandong, Fujian and Guangxi