Content-type: text/application/x-research-info-systems Provider: Palgrave Macmillan Content: application/x-research-info-systems TY - JOUR AU - Richardson, David P AU - Seligman, Jason S TI - Optimal Retirement Portfolios: Social Security Personal Accounts in the Context of the Four Pillars JA - Geneva Pap R I-Iss P PY - 0000///print VL - 30 IS - 4 SP - 565 EP - 580 SN - 1018-5895 UR - http://dx.doi.org/10.1057/palgrave.gpp.2510056 ER -