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: 6a36e41e164d95873088a7f71c729895
SHA1: 40c2d6baa4290280b14bda4dba2856d923a02fce
Uploaded At: February 10, 2017
MD5: 5e219b9afcc1426a455567ef8977f080
SHA1: d90690eab1b70ff7b93eb7e638409760c658c849