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.
There is information in this trial unavailable to the public. Use the button below to request access.
MD5: 52d73adddff8f198a8a2fb0908e1696f
SHA1: 76e83e1c75c8b4c91ddcf698eb06484593b64e7d
Uploaded At: July 21, 2014