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: bcc3c60703c8a1f8aa16cd9e139033d1
SHA1: 57e20c9da41d21bf89c174f74673a7a84e2fa33e
Uploaded At: November 08, 2013
MD5: 591e45bf3c8daa0762ecaffdbb91f2b6
SHA1: 1515c2191c99b9149f4a31a42739e593609e6bf2
Uploaded At: February 18, 2014