Data Collection
Period-specific information: September 2019 quarter
Reference Period
The information in this release is compiled from data collected in the quarterly Local Authority Survey run in the September 2019 quarter.
Tables
- Local authority statistics, seasonally adjusted income
- Local authority statistics, seasonally adjusted income, percentage changes
- Local authority statistics, actual income
- Local authority statistics, seasonally adjusted expenditure
- Local authority statistics, seasonally adjusted expenditure, percentage changes
- Local authority statistics, actual expenditure
Seasonal adjustment
New items of income or expenditure that are included by local authorities can impact seasonal adjustment when the seasonal component of the data is unknown. With the introduction of Auckland’s regional fuel tax (RFT) in the September 2018 quarter, we have seen greater volatility in the seasonally adjusted regulatory income and petrol tax series. We expect this volatility to continue for a number of quarters until we have collected sufficient data to understand any changes in the seasonality of this series resulting from the introduction of the RFT.
In September 2019 a review of all series was carried out. Based on the review, several changes to seasonal adjustment were implemented in the September 2019 quarter: the rates series is now seasonally adjusted, while the interest received and interest paid series are no longer seasonally adjusted.
Revisions
In the September 2019 quarter, revisions were applied to Sales and other operating income, and Purchases and other operating expenditure for the June 2019 quarter.
Sales and other operating income was revised as some development and capital income had been included in this category. These income components were removed from the June 2019 quarter. Improvements to the coherence of council data across time were also incorporated.
Purchases and other operating expenditure for the June 2019 quarter was revised to improve the quality of estimates and coherence of council data across time.
en-NZ
