The American Economic Association's registry for randomized controlled trials
Initial registration date is when the trial was
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.
August 26, 2022
September 12, 2017
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January 24, 2023