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INSIGHTS FROM THE ORIGINAL DATA
The detailed decomposition of each of these movements is included in the data cube 'Insights From the Original Data'.
In considering the three components of the sample, it is important to remember that the matched common sample describes the change observed for the same respondents October and November, while the other two components reflect differences between the aggregate labour force status of different groups of people.
While the rotation groups are designed to be representative of the population, the outgoing and incoming rotation groups will almost always have somewhat different characteristics, as a result of the groups representing a sample of different households and people. The design of the survey, including the weighting and estimation processes, ensures that these differences are generally relatively minor and seeks to ensure that differences in characteristics of rotation groups do not affect the representativeness of the survey and its estimates. Monthly estimates are always designed to be representative of their respective months, regardless of the relative contribution of the three components of the sample.
INCOMING ROTATION GROUP
In original terms, the incoming rotation group in November 2016 had a higher employment to population ratio than the group it replaced (60.2 per cent in October 2016, up to 60.8 per cent in November 2016), and was slightly lower than the ratio for the entire sample (61.1 per cent). Its full-time employment to population ratio was higher than the group it replaced, up from 40.1 per cent in October 2016 to 42.7 per cent in November 2016.
Its unemployment rate was slightly above that of the sample as a whole, while its participation rate was slightly lower.
The incoming rotation group also had a reduced share of the population (12.5 per cent, down from 13.2 per cent for the group it replaced). This population share is now around the average share for eight rotation groups.
OUTGOING ROTATION GROUP
In looking ahead to the December 2016 estimates, the outgoing rotation group in November 2016, which will be replaced by a new incoming rotation group in December 2016, had a slightly higher employment to population ratio (61.5 per cent in November 2016) compared to the sample as a whole (61.1 per cent in November 2016). It also had a higher full-time to employment ratio (41.9 per cent), compared to the entire sample (41.7 per cent).
In original terms, the unemployment rate for the outgoing rotation group in November 2016 was 5.7 per cent, which was higher than the 5.4 per cent for the whole sample. The participation rate for the outgoing rotation group in November 2016 was 65.2 per cent, also higher than the rate for the whole sample (64.6 per cent).
OTHER OBSERVATIONS - QUEENSLAND
The relatively large increase in employment in Queensland in November was seen across a number of rotation groups, including the outgoing-incoming rotation group change in November. This points to general sampling variability across the common sample for Queensland, and also follows three months of decreases in employment.
THE IMPORTANCE OF TREND DATA
As the gross flows and rotation group data are presented in original terms they are not directly comparable to the seasonally adjusted and trend data discussed elsewhere in the commentary, and are included to provide additional information for the original data. Since the original data are unadjusted, they have a considerable level of inherent sampling variability, which is specifically adjusted for in the trend series. The trend data provide the best measure of the underlying behaviour of the labour market and are the focus of the commentary in this publication.
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