The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
266 Trials Found
North Rhine Westphalia
Southern region
North Kivu
North Rhine-Westphalia German state
North-East
National Capital Region
North East, Yorkshire, and Northern Lincolnshire regions of England
West Bank
Mudug region
Galgaduud region
Central North and Central South Regions