1. The Impact of Response Error on Participation Rates and Contributions to Defined Contribution Pension Plans;Howard Iams;Social Security Bulletin,2010
2. Ibid.
3. Table 3.A.3: Taxpayers with Wage Income, by Size of Wage Income, Presence of Retirement Plan Indicator, and Elective Retirement Contributions, Tax Year;Irena Dushi;5 CPS; and IRS,2010