The American Economic Association's registry for randomized controlled trials
Initial registration date is when the trial was registered.
It corresponds to when the registration was submitted to the Registry to be reviewed for publication.
First published corresponds to when the trial was first made public on the Registry after being reviewed.
Last updated is the most recent time when changes to the trial's registration were published.
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MD5: 3c34b352f32431b7e2326a07b4322fe4
SHA1: bb4a2602c4ae7b619a27bd31f7e99bf9a0ce88b7
Uploaded At: July 07, 2016
MD5: 021c43b9878bfd2e9fc64964759df64a
SHA1: d5cd49aeaec57d3cbcab9a0d8f631ccb3cd0cb40
Uploaded At: December 20, 2013