The American Economic Association's registry for randomized controlled trials
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869 Trials Found
D90, H41
C91, D31, Z13
C91, D83, D91, L82
C91, C92, D62
M30, D18 , L81, D91, C91
C91, D9, D91, D83
C91, D64, D8, D91
C90, D31, D63, D83, H23
D83, E58, G21, G28, G51, M38
C91, C92, D64, Q56