Using data from a five-year randomized experiment, Michal Grinstein-Weiss, William Gale, Michael Sherraden, William M. Rohe, Mark Schreiner and Mark Schreiner find that six years after an Individual Development Account (IDA) program ended, such a program had no impact on the propensity to hold a retirement account, the account balance, or the sufficiency of retirement balances to meet retirement expenses.