However, the institute cautioned the improvement among exporters relates in part to food processing, which will take a dip in the next few months to reflect the impact of the late summer drought on agricultural production.
The QSBO does not take into account farmers, but does track spending on fertiliser, plant and machinery and other farm inputs, so gives a reliable read on the domestic economy.
NZIER's principal economist, Shamubeel Eaqub, one of the most consistently pessimistic economic forecasters of the last five years said he now classed himself "an optimist."
"I've switched."
Hiring intentions have also strengthened in the latest quarterly survey, from a net 4 per cent of firms negative about new hires in December to a net positive 3 per cent. Investment intentions also turned positive, to a net 3 per cent, having been negative 3 per cent in December. Plant and machinery investment intentions rose to a net 8 per cent of respondents, from 5 per cent in the previous survey.
In Canterbury, unskilled labour is becoming more difficult to find, but inflation pressures remain subdued and interest rate expectations have dropped back, consistent with the view that the central bank will not tighten monetary policy in the course of this year.