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5 Although earnings estimates relate to the full twelve months, employment estimates relate to the last pay period ending in June of the given year. As a result, estimates of wages and salaries per person employed may be affected by any fluctuations in employment during the reference period.
6 Financial data incorporate all units in scope of the SEE that were in operation at any time during the year.
7 Type of Legal Organisation (TOLO) codes 21-36 are used to identify all public sector employing organisations. TOLOs 21-26 relate to Commonwealth government units, TOLOs 31-33 and 36 relate to State government units and TOLOs 34 and 35 relate to Local government units. These organisations and their employees are represented in the survey, except:
8 In general, the following organisations and their employees are excluded:
9 This section discusses frame, statistical units, coverage issues and improvements to coverage.
10 Businesses contributing to the estimates in this publication are sourced from the ABS Business Register (ABSBR), which has two components as described below.
11 The ABS uses an economic statistics units model on the ABSBR to describe the characteristics of businesses, and the structural relationships between related businesses. Within large and diverse business groups, the units model is used to define reporting units that can provide data to the ABS at suitable levels of detail.
12 In mid 2002, the ABS commenced sourcing its register information from the Australian Business Register and at that time changed its business register to a two population model. The two populations comprise what is called the Profiled population and the Non-profiled population. The main distinction between businesses in the two populations relates to the complexity of the business structure and the degree of intervention required to reflect the business structure for statistical purposes.
13 The majority of businesses included on the ABS Business Register are in the Non-profiled population. Most of these businesses are understood to have simple structures. For these businesses, the ABS is able to use the Australian Business Number (ABN) as the basis for a statistical unit. One ABN equates to one statistical unit.
14 For the population of businesses where the ABN unit is not suitable for ABS statistical requirements, the ABS maintains its own units structure through direct contact with the business. These businesses constitute the Profiled population. This population consists typically of large, complex and diverse businesses. The statistical units model described below caters for such businesses.
SURVEY METHODOLOGY AND DESIGN
15 The SEE uses a sample survey methodology and collects information using a mail-out/mail-back collection methodology. Some government departments provide their information to the ABS electronically.
16 The statistical unit for the survey comprises all activities of a public sector employing unit in a particular state or territory. Statistical units are stratified by state, industry and employment size, and within each stratum, statistical units are selected with equal probability.
17 A sample of public sector employing units is selected from the ABN and TAU units on the ABS Business Register to ensure adequate state and industry representation. Commencing with the 2008-09 survey, a sample redesign was implemented based on the 2006 edition of ANZSIC. The sample for the 2007-08 survey was designed on both the 2006 and 1993 editions of ANZSIC.
18 Commencing with the 2008-09 survey, the ABS also implemented a number of improvements to the ABS Business Register. Employment benchmarks for non-profiled population units (refer paragraph 14) have been updated to reflect more up-to-date information for use in stratification and estimation.
19 Due to the sample redesign, the sample size has decreased from about 2,500 employer units for the 2007-08 survey to about 2,000 units for 2008-09 onwards. The reduced sample size has resulted in increased standard errors for the 2008-09 estimates, compared with the 2007-08 estimates.
INPUT INTO THE AUSTRALIAN NATIONAL ACCOUNTS
20 Estimates of employee remuneration for the public sector are one of the inputs to the gross domestic product component of the Australian National Accounts, specifically compensation of employees estimates. The private sector component of compensation of employees estimates are provided by the Quarterly Business Indicators Survey which are published in Business Indicators, Australia (cat. no. 5676.0). For further details see Australian National Accounts: Concepts, Sources and Methods (cat. no. 5216.0).
COMPARABILITY OF SERIES
21 The SEE was not conducted in respect of 2010-11. The 2010-11 estimates of public sector employment and cash wages and salaries were produced from the Major Labour Costs Survey.
22 As noted in paragraph 3, estimates of employee earnings from the annual survey have been produced in accordance with the Australian conceptual framework for measures of employee remuneration.
23 The measure of employee earnings presented for the annual series is 'cash wages and salaries', which is regular and irregular wages and salaries in cash, including amounts salary sacrificed.
24 Care should also be taken when comparing data for the public sector over time. Estimates of public sector employment and earnings can change over time due to: privatisation of public financial and public trading enterprises; changes to machinery of government, especially resulting from a change of government; and other changes to statistical unit structures, including industry classification, resulting from periodic updating of the Profiled population (refer paragraph 15).
25 Estimates for the 2010-11 reference year have been revised since the previous issue of this publication due to correcting errors to previously published data and more recent data becoming available. The revisions are incorporated in this publication.
26 Where figures have been rounded, discrepancies may occur between sums of the component items and totals.
27 A range of further information is available, as described below.
28 The following publications contain related information:
Other information available
29 As well as the statistics included in this and related publications, the ABS may have other relevant data available on request and for a charge. Inquiries should be made to the National Information and Referral Service on 1300 135 070.
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