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: 3cea64001d2fbe9dcafcc68d73466075
SHA1: 9be995ac2a8147c6ffa485a06ef83577299979b6
Uploaded At: May 14, 2014