Provides Blueprint for Other States to Boost Employee Retirement Savings (9/15/10) A study of South Dakota’s Supplemental Retirement Plan (SRP) has found that instituting automatic enrollment programs results in a staggering leap in participation rates. The study followed several dozen government units in the first eight months of the program. Ninety-one percent of new, eligible … Continue reading South Dakota State’s Retirement Plan Experience Shows Power of Automatic Enrollment to Dramatically Increase Participation