The principal aim of this paper is to present some initial estimates and inferences based on Phillips' (Phillips 1991) theoretical results and suggested empirical procedures. The innovative aspects are: (1) it provides an early application of this methodology to macroeconomic time-series data,...

There are no official quarterly real GDP estimates for New Zealand for the period prior to 1977. We develop a seasonally adjusted series for 1947q2 to 2006q2, by linking quarterly observations from two recent official series to temporally disaggregated observations for an earlier time period....