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: ab1786fad1ec0653312b82071231692e
SHA1: 96932c19e42b508209c068c6d5d55efe1ef4636d
Uploaded At: September 24, 2015
MD5: 4259518688152081eb295128fbf6560d
SHA1: 9df4c7ea4e9807179603ae5cef09c91024f01b5a
MD5: 31e71e3746663a9bdfb29b61ca5efe9a
SHA1: a4d319ff142234eca016a52f81b0df62438fdf48