The New Zealand Superannuation Fund (NZSF) is one of New Zealand's largest publicly-owned financial assets. Its primary purpose is to act as an inter-generational tax smoothing vehicle, in order to assist future taxpayers cover the cost of providing the public pension, New Zealand Superannuation...

Studying the age-dimension of the probability distribution of pensions while assuming steadily rising real wages and time-invariant benefit-rules, two factors play important roles: (i) the weight of the wages in indexation of benefits in progress; (ii) the longevity gap. Factor (i) acts against...