The American Economic Association's registry for randomized controlled trials
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.
MD5: c1046d8e600776dda43f1f74bd33ca9b
SHA1: 8c71e956423c97bd81c66ea1c87188db7db70165
Uploaded At: June 21, 2014
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