How much choice is too much? Contributions to 401(k) retirement plans
data on nearly 800,000 employees; participation higher in plans offering a handful of funds.
data on nearly 800,000 employees; participation higher in plans offering a handful of funds.
Written from the abstract read 2026-10-14.
What our sources record
Reproduced as it was written when this source was checked, figures and all.
In Pension Design and Structure: New Lessons from Behavioral Finance. Oxford University Press. Abstract read (Pension Research Council working paper record and Columbia Business School page): data on nearly 800,000 employees; participation higher in plans offering a handful of funds.