This paper critically evaluates the effects of population ageing on labour productivity with particular reference to New Zealand. A number of potential long-run mechanisms are considered: complementarity of workers by age, age-specific productivity of individuals, new technology discoveries and...

Over the next 50 years, New Zealand's population will age substantially. There has been wide debate about whether New Zealand should prepare for population ageing by increasing national savings. This question is addressed by choosing time paths for consumption, savings and debt, through the use...