1. Do the Elderly Respond to Taxes on Earnings? Evidence from the Social Security Retirement Earnings Test;See Leora Friedberg;The Labor Supply Effects of the Social Security Earnings Test,1999
2. Working for a Good Retirement
3. Social Security (Old-Age, Survivors, and Disability Insurance) Program Description and Legislative History;More information on the process is available in Social Security Administration (SSA),2007
4. For more information, see the Policy Simulation Group's website at www.polsim.com. 7. The principal SSA publication dealing with the earnings test is "How Work Affects Your Benefits;How Work Affects Your Benefits,2004