The current economic expansion is one of the more enduring in New Zealand’s post-war period. But is this a change from past behaviour? We examine New Zealand’s post-war business cycles for the sample period 1946 to 2005, using a newly developed 60-year quarterly time series for real GDP. The...

The time-series properties of real exchange rates, on a number of definitions, for 22 industrial countries during 1979-95 were used to re-examine whether PPP holds. It is shown that if real exchange rates reverted to a constant mean slowly, say by five percent a month, then at standard levels of...