The variance of New Zealand’s real GDP has declined since the mid-1980s. To investigate why, this paper decomposes the variance of chain-weighted estimates of production-based real GDP growth into sector shares, sector growth rate variances and co-variances. The principal explanation for the...

Concern has been raised by an apparent lack of saving in New Zealand. It is often argued that policies which foster savings are important, as higher savings will contribute to higher economic growth. This paper investigates the link between saving, investment and growth. In particular, it...

This paper fits hidden Markov switching models to New Zealand GDP data. A primary objective is to better understand the utility of these methods for modelling growth and volatility regimes present in the New Zealand data and their interaction. Properties of the models are developed together with...