"This may still reflect a period of caution post-election or may be a consequence of employers having difficulty finding appropriate staff," he said.
"It suggests overall employment growth will be markedly slower in Q4 compared to the massive 2.2 per cent gain recorded in the official figures for Q3.
"Steel also noted the 'big jump' in the stocks/inventory sub-index, which lifted to 58.1 from 51.3. An inventory build suggests some vulnerability if demand were to unexpectedly slow," he said.
Meanwhile, the supplier deliveries sub-index advanced to 53.2 from 52.9. BNZ's Steel said positive signs were widespread across the PSI with expansionary readings seen in the results across all industries, regions, sub components and firm sizes, with particular strength in Otago/Southland and large firms.
The PSI comes after its sister survey, the performance of manufacturing index, showed manufacturing activity continued to expand in November up 0.4 of a point to a seasonally adjusted 57.7. The composite index, which combines the two surveys, advanced 0.6 points to 56.5 on a GDP-weighted basis and gained 0.8 points to 57.7 on a free-weighted basis.