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.
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MD5: b7d37fb2c1985ff700b92b02d04cefe0
SHA1: 421d287185dbbd8eefda00205c9de4669cc93fa1
Uploaded At: July 02, 2014