6302.0 - Average Weekly Earnings, Australia, Feb 2008 Quality Declaration
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 15/05/2008
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FEBRUARY KEY POINTS
CHANGES IN THIS ISSUE
The ABS has implemented an improved method of producing seasonally adjusted estimates for the Average Weekly Earnings survey (AWE), through the application of Autoregressive Integrated Moving Average (ARIMA) modelling techniques. AWE now uses concurrent seasonal adjustment with ARIMA modelling, which reduces the level of revisions to seasonally adjusted and trend estimates when subsequent data become available. See paragraph 30 of the Explanatory Notes for more information on the ARIMA modelling technique.
NOTES ON ESTIMATES
Movements in average weekly earnings can be affected by both changes in the level of earnings per employee and changes in the composition of the labour force. For example, changes in the proportions of full-time, part-time, casual and junior employees and variations in the distribution of occupations can affect movements in earnings series. Refer to paragraphs 19 and 20 of the Explanatory Notes.
For information on sampling error see the Technical Note at the end of this publication. Standard errors for the original estimates contained in this publication are in tables 18 to 20.
For further information about these and related statistics, contact the National Information and Referral Service on 1300 135 070 or Kevin Bolt on Perth (08) 9360 5304.
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