TY - JOUR T1 - Benefit adequacy among elderly social security retired-worker beneficiaries and the SSI Federal Benefit Rate AU - Rupp, Kalman AU - Strand, Alexander AU - Davies, Paul AU - Sears, Jim PY - 2007 SP - 29 EP - 51 JO - Social Security Bulletin VL - 67 IS - 3 SN - 0037-7910 ER -