There are some important differences between the estimates produced using the Rao-Yu model and the direct survey estimates.
While there are improvements across all SA4 regions, these improvements are most notable in the less populated regional areas. The use of administrative data in the model reduces the variability caused by particularly small sample sizes.
Compare the three unemployment rate graphs below. All three regions show improvement but the regions with a smaller population, like Queensland Outback and Shepparton, have much more stable estimates, with a significant reduction in extreme month to month movements.
As can also be seen in the three graphs, the modelled and direct estimates both track similarly over time. However, the modelled estimates for the regions with smaller populations, like Queensland Outback and Shepparton, provide a more reliable indication of change in those areas.
Direct survey estimate (%) | Modelled estimate (%) | |
---|---|---|
Jan-20 | 8.7 | 7.6 |
Feb-20 | 7.8 | 7.8 |
Mar-20 | 5.8 | 7.9 |
Apr-20 | 6.0 | 7.9 |
May-20 | 11.7 | 8.0 |
Jun-20 | 8.4 | 8.3 |
Jul-20 | 9.4 | 7.9 |
Aug-20 | 6.2 | 7.8 |
Sep-20 | 4.5 | 7.2 |
Oct-20 | 6.1 | 7.7 |
Nov-20 | 8.0 | 7.2 |
Dec-20 | 6.3 | 7.1 |
Jan-21 | 12.9 | 8.0 |
Feb-21 | 11.5 | 7.8 |
Mar-21 | 8.4 | 7.3 |
Apr-21 | 8.7 | 6.8 |
May-21 | 7.1 | 6.7 |
Jun-21 | 7.9 | 6.3 |
Jul-21 | 6.9 | 5.9 |
Aug-21 | 8.8 | 5.7 |
Sep-21 | 5.8 | 5.6 |
Oct-21 | 6.4 | 5.8 |
Nov-21 | 1.5 | 5.0 |
Dec-21 | 3.2 | 4.8 |
Jan-22 | 5.6 | 6.4 |
Feb-22 | 6.4 | 6.8 |
Mar-22 | 7.0 | 6.5 |
Apr-22 | 6.3 | 6.1 |
May-22 | 6.4 | 5.9 |
Jun-22 | 6.8 | 5.8 |
Jul-22 | 7.9 | 5.5 |
Aug-22 | 4.6 | 5.3 |
Sep-22 | 6.6 | 5.5 |
Oct-22 | 5.5 | 5.4 |
Nov-22 | 6.3 | 5.3 |
Dec-22 | 6.3 | 5.3 |
Jan-23 | 7.3 | 6.0 |
Feb-23 | 7.8 | 5.7 |
Mar-23 | 8.0 | 5.4 |
Apr-23 | 7.3 | 5.8 |
May-23 | 11.2 | 5.3 |
Jun-23 | 7.8 | 5.4 |
Jul-23 | 6.7 | 5.3 |
Aug-23 | 4.4 | 4.8 |
Sep-23 | 5.8 | 4.6 |
Oct-23 | 9.3 | 4.8 |
Nov-23 | 5.1 | 4.9 |
Dec-23 | 8.1 | 5.2 |
Jan-24 | 6.4 | 6.0 |
Feb-24 | 3.4 | 4.9 |
Mar-24 | 3.8 | 5.6 |
Unemployment rate, South Australia - Outback
["","Direct survey estimate","Modelled estimate"]
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[]
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Direct survey estimate (%) | Modelled estimate (%) | |
---|---|---|
Jan-20 | 7.4 | 5.0 |
Feb-20 | 5.4 | 4.4 |
Mar-20 | 9.4 | 4.9 |
Apr-20 | 8.6 | 5.1 |
May-20 | 5.8 | 5.4 |
Jun-20 | 6.7 | 5.6 |
Jul-20 | 7.9 | 5.3 |
Aug-20 | 10.1 | 5.7 |
Sep-20 | 7.1 | 5.5 |
Oct-20 | 4.9 | 5.4 |
Nov-20 | 2.9 | 5.2 |
Dec-20 | 3.7 | 5.0 |
Jan-21 | 4.2 | 5.3 |
Feb-21 | 4.2 | 5.0 |
Mar-21 | 5.5 | 5.0 |
Apr-21 | 4.5 | 4.5 |
May-21 | 3.6 | 4.0 |
Jun-21 | 4.1 | 3.9 |
Jul-21 | 0.8 | 3.8 |
Aug-21 | 0.1 | 3.6 |
Sep-21 | 0.1 | 4.1 |
Oct-21 | 0.1 | 4.1 |
Nov-21 | 2.1 | 3.6 |
Dec-21 | 1.4 | 3.4 |
Jan-22 | 5.3 | 4.0 |
Feb-22 | 3.4 | 3.9 |
Mar-22 | 5.0 | 3.7 |
Apr-22 | 2.1 | 3.6 |
May-22 | 4.5 | 3.3 |
Jun-22 | 2.2 | 3.0 |
Jul-22 | 1.6 | 3.0 |
Aug-22 | 5.0 | 3.4 |
Sep-22 | 3.0 | 3.1 |
Oct-22 | 3.8 | 4.2 |
Nov-22 | 2.7 | 3.9 |
Dec-22 | 2.1 | 3.7 |
Jan-23 | 0.1 | 4.1 |
Feb-23 | 1.5 | 3.8 |
Mar-23 | 3.4 | 3.5 |
Apr-23 | 0.1 | 3.6 |
May-23 | 1.4 | 3.2 |
Jun-23 | 0.1 | 3.1 |
Jul-23 | 2.8 | 3.1 |
Aug-23 | 2.9 | 3.2 |
Sep-23 | 0.1 | 3.1 |
Oct-23 | 0.1 | 3.1 |
Nov-23 | 1.2 | 3.2 |
Dec-23 | 1.9 | 3.5 |
Jan-24 | 0.1 | 3.7 |
Feb-24 | 2.3 | 3.6 |
Mar-24 | 1.2 | 3.6 |
Unemployment rate, Shepparton
["","Direct survey estimate","Modelled estimate"]
[["Jan-20","Feb-20","Mar-20","Apr-20","May-20","Jun-20","Jul-20","Aug-20","Sep-20","Oct-20","Nov-20","Dec-20","Jan-21","Feb-21","Mar-21","Apr-21","May-21","Jun-21","Jul-21","Aug-21","Sep-21","Oct-21","Nov-21","Dec-21","Jan-22","Feb-22","Mar-22","Apr-22","May-22","Jun-22","Jul-22","Aug-22","Sep-22","Oct-22","Nov-22","Dec-22","Jan-23","Feb-23","Mar-23","Apr-23","May-23","Jun-23","Jul-23","Aug-23","Sep-23","Oct-23","Nov-23","Dec-23","Jan-24","Feb-24","Mar-24"],[[7.4199999999999999],[5.4199999999999999],[9.3699999999999992],[8.6400000000000006],[5.79],[6.6900000000000004],[7.8799999999999999],[10.140000000000001],[7.1100000000000003],[4.8600000000000003],[2.8500000000000001],[3.7000000000000002],[4.1900000000000004],[4.1900000000000004],[5.4699999999999998],[4.4699999999999998],[3.6200000000000001],[4.0599999999999996],[0.81000000000000005],[0.12],[0.12],[0.10000000000000001],[2.1099999999999999],[1.4199999999999999],[5.2999999999999998],[3.4199999999999999],[5.0300000000000002],[2.1000000000000001],[4.4500000000000002],[2.1899999999999999],[1.6100000000000001],[4.9500000000000002],[3.02],[3.8399999999999999],[2.6899999999999999],[2.0499999999999998],[0.070000000000000007],[1.49],[3.4300000000000002],[0.080000000000000002],[1.3899999999999999],[0.089999999999999997],[2.77],[2.8799999999999999],[0.070000000000000007],[0.070000000000000007],[1.1699999999999999],[1.8500000000000001],[0.059999999999999998],[2.27],[1.1799999999999999]],[[4.9900000000000002],[4.4000000000000004],[4.8799999999999999],[5.0700000000000003],[5.3600000000000003],[5.5800000000000001],[5.2999999999999998],[5.6600000000000001],[5.4500000000000002],[5.3899999999999997],[5.1900000000000004],[5.0300000000000002],[5.2999999999999998],[5],[4.9900000000000002],[4.5300000000000002],[3.9700000000000002],[3.8799999999999999],[3.75],[3.6400000000000001],[4.0800000000000001],[4.0700000000000003],[3.5600000000000001],[3.4399999999999999],[4.0199999999999996],[3.8599999999999999],[3.71],[3.5800000000000001],[3.3199999999999998],[3.0099999999999998],[2.9500000000000002],[3.3500000000000001],[3.1299999999999999],[4.2199999999999998],[3.8900000000000001],[3.6699999999999999],[4.0700000000000003],[3.7599999999999998],[3.5099999999999998],[3.6299999999999999],[3.1499999999999999],[3.0800000000000001],[3.0800000000000001],[3.2000000000000002],[3.1099999999999999],[3.0600000000000001],[3.1600000000000001],[3.46],[3.7200000000000002],[3.5499999999999998],[3.6200000000000001]]]
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Direct survey estimate (%) | Modelled estimate (%) | |
---|---|---|
Jan-20 | 4.5 | 4.4 |
Feb-20 | 3.4 | 4.1 |
Mar-20 | 4.7 | 4.7 |
Apr-20 | 7.5 | 6.3 |
May-20 | 5.2 | 5.9 |
Jun-20 | 9.2 | 7.0 |
Jul-20 | 9.2 | 7.3 |
Aug-20 | 8.2 | 6.6 |
Sep-20 | 6.6 | 6.5 |
Oct-20 | 8.1 | 6.5 |
Nov-20 | 7.1 | 6.0 |
Dec-20 | 7.7 | 6.2 |
Jan-21 | 7.3 | 6.5 |
Feb-21 | 6.5 | 6.1 |
Mar-21 | 7.0 | 6.1 |
Apr-21 | 5.9 | 5.4 |
May-21 | 4.0 | 4.7 |
Jun-21 | 5.6 | 5.3 |
Jul-21 | 4.5 | 4.5 |
Aug-21 | 6.2 | 4.8 |
Sep-21 | 6.2 | 4.7 |
Oct-21 | 5.9 | 5.3 |
Nov-21 | 3.7 | 4.1 |
Dec-21 | 4.6 | 4.2 |
Jan-22 | 4.0 | 4.5 |
Feb-22 | 2.8 | 3.7 |
Mar-22 | 3.6 | 4.0 |
Apr-22 | 3.2 | 3.4 |
May-22 | 2.7 | 3.5 |
Jun-22 | 3.3 | 3.3 |
Jul-22 | 3.5 | 3.1 |
Aug-22 | 1.8 | 2.7 |
Sep-22 | 4.2 | 3.3 |
Oct-22 | 4.1 | 3.0 |
Nov-22 | 3.3 | 2.8 |
Dec-22 | 3.9 | 3.0 |
Jan-23 | 5.0 | 3.5 |
Feb-23 | 3.2 | 3.2 |
Mar-23 | 4.2 | 3.6 |
Apr-23 | 2.6 | 3.1 |
May-23 | 2.8 | 2.9 |
Jun-23 | 2.4 | 2.7 |
Jul-23 | 3.8 | 3.3 |
Aug-23 | 4.4 | 3.6 |
Sep-23 | 2.8 | 2.9 |
Oct-23 | 6.4 | 3.7 |
Nov-23 | 4.1 | 3.2 |
Dec-23 | 3.7 | 3.3 |
Jan-24 | 4.7 | 4.2 |
Feb-24 | 5.3 | 3.9 |
Mar-24 | 5.8 | 4.1 |
Unemployment rate, Sydney - City and Inner South
["","Direct survey estimate","Modelled estimate"]
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While the new modelled estimates provide much better regional labour market information, they still have some limitations in measuring statistically significant month-to-month movements, beyond the evolving underlying trend.
The modelled estimates still contain an element of error (mean squared error), though this is much smaller than the standard errors associated with direct survey estimates. Information on the mean squared errors is available in A Rao-Yu model for small area estimation of labour force statistics.
As such, while they provide a more definitive indication of changes in regional labour markets, caution should still be exercised in over-interpreting single month-to-month movements in the modelled estimates.