The American Economic Association's registry for randomized controlled trials
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130 Trials Found
C9; D64
H13 (Health insurance), D91 (Emotion), D64 (Altruism)
C93, D64
C91, C92, D90, D80, D64
D8, D64, C91
D64; L30
C90, D64, L31
C93, D63, D64
C83; C91; D64; D90; Z13