8501.0 - Retail Trade Trends, Australia, Sep 2008
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 03/11/2008
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SEPTEMBER KEY POINTS
CHANGES IN THIS ISSUE
There are no changes in this issue.
TIME SERIES DATA
The following trend, seasonally adjusted and original series are available from the Downloads tab of this issue on the ABS website:
Also available are standard errors by state and industry.
INTERPRETING MONTHLY MOVEMENTS
Due to the smaller sample size and sampling methodology (involving independent samples for each month of the quarter) introduced from July 2008, there is potentially increased volatility in all series. The original and seasonally adjusted series are most affected and, as a result, the original and seasonally adjusted series are considered of limited use for measuring month to month movements. The ABS recommends using the trend series for this analysis.
NEW QUARTERLY PUBLICATION
More detailed quarterly industry and state estimates will be available from Retail Trade Quarterly Indicators, Australia (cat. no. 8502.0). The first issue of this publication, September quarter 2008, is scheduled for release on 17 November 2008. An outline of the new publication and the shells for the time series spreadsheets can be found by accessing the Retail Trade Quarterly Indicators, Australia (cat. no. 8502.0) publication from the ABS website.
With the smaller sample size and sampling methodology introduced from July 2008, data quality assurance for the monthly series has focused on state and industry level estimates. With estimates now available for the three months to September, further quality assurance will be undertaken for the release of quarterly series on 17 November. This will include assessing the extent to which the estimated shift in the underlying level of the series resulting from the new methodology aligns with the level of the series from July 2008. It is possible this quality assurance will result in some change to the provisional quarterly estimate (presented in Trend analysis) and related monthly series.
For further information about these and related statistics, contact the National Information and Referral Service on 1300 135 070 or Neil Hamilton on Canberra (02) 6252 5990.
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