The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
99 Trials Found
Central Province
Western Province
Hubei Province
Eastern and Central Province
Zambezia province
Province of Kossi
Sichuan province
Jinan City, Shandong Province
Vientianne Province
Anhui Province, Jiangsu Province, Zhejiang Province, and Shanghai