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Automatic enrollment with a 12 percent default contribution rate

Published online by Cambridge University Press:  11 September 2023

John Beshears*
Affiliation:
Harvard University, Cambridge, MA, USA NBER, Cambridge, MA, USA
Ruofei Guo
Affiliation:
Northwestern University, Evanston, IL, USA
David Laibson
Affiliation:
Harvard University, Cambridge, MA, USA NBER, Cambridge, MA, USA
Brigitte C. Madrian
Affiliation:
NBER, Cambridge, MA, USA Brigham Young University, Provo, UT, USA
James J. Choi
Affiliation:
NBER, Cambridge, MA, USA Yale University, New Haven, CT, USA
*
Corresponding author: John Beshears; Email: jbeshears@hbs.edu

Abstract

We study a retirement savings plan with a default contribution rate of 12 percent of income, which is much higher than previously studied defaults. Twenty-five percent of employees had not opted out of this default 12 months after hire; a literature review finds that the corresponding fraction in plans with lower defaults is approximately one-half. Because only contributions above 12 percent were matched by the employer, 12 percent was likely to be a suboptimal contribution rate for employees. Employees who remained at the 12 percent default contribution rate had average income that was approximately one-third lower than would be predicted from the relationship between salaries and contribution rates among employees who were not at 12 percent. Defaults may influence low-income employees more strongly in part because these employees face higher psychological barriers to active decision making.

Type
Article
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press

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