provided invaluable help with execution. We thank Margarita Alvarez-Echandi, Sam Hughes, Tammy Lee, and Lei Ma for their research assistance. This research was conducted in conjunction with the Financial Conduct Authority, where Adams, Hunt, and Zaliauskas were employed during the trials. The views expressed in this paper are those of the authors and not the Financial Conduct Authority, which has reviewed the paper for human subjects compliance and the release of confidential information. All errors and omissions are the authors' own. This RCT was registered in the American Economic Association Registry for randomized control trials under trial number AEARCTR-0004053. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research. At least one co-author has disclosed a financial relationship of potential relevance for this research. Further information is available online at http://www.nber.org/papers/w25718.ack NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications.