... xiv, 84n28, 144n 52; elasticity and, 124 , 127 28 ; general equilibrium effectand, 119; optimum commodity, 7–8, 122 –30; optimum income tax modeland, 78n24; pooling equilibrium and, 122 –30; Ramsey-Boiteux ... and,37–38; optimum retirement, 12 14, 21 22 , 27 28 , 32 40; partialannuitization and, 33–34; payoutschemes and, 3; present/future self utilityand, 48–50; profile mismatch and, 2 3;risk class and, 56–66; ... and, 122 –30; period-certainannuities and, 88–89; Ramsey-Boiteuxconditions and, 118, 124 25 , 127 ; rateof return and, 71; stability and, 129 ;uniqueness and, 129 ; welfare functionand, 120 August...