The government economic policy agency also warned it may lower its revenue forecasts when it publishes its Budget economic and fiscal update early next year, again because of weak global growth.
In the last few months, the Rugby World Cup had provided a useful boost to retail and accommodation spending, but the underlying domestic economy remained subdued as households borrowed less and saved more.
"Household credit growth in the three months to Oct. 31 recorded its smallest value increase in over 20 years and, when adjusted for the increase in house prices over that time, the increase is well below the previous record low in the early 1990's", also a time of prolonged recession.
However, household deposit growth was strong, and was helping New Zealand banks by requiring less short term borrowing in offshore markets, which have become less easily accessed as the Eurozone crisis deepens.
The Treasury says the "strong start to the dairy season is yet to be reflected in higher export volumes, pointing to rising inventories in the current period and higher exports later in the season."