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SURVEY OF MAJOR LABOUR COSTS
Costs are measured on a cash accounting basis, net of any reimbursements, subsidies or rebates.
Data can be classified by state or territory, sector (public/private), level of government, public institutional sector and employer size. Data are available as either total costs or costs per employee.
Data from the survey are available on an original basis only.
Data collected in the survey are compiled according to concepts and definitions outlined in Chapter 11: Employee Remuneration. All labour costs reflect actual payments made in the survey reference period. As such, they do not reflect costs incurred in the reference period for which payments are made in a later period, but they include payments made in the survey reference period for costs incurred in a prior period.
Earnings estimates from the survey are broader than, and are not directly comparable with, earnings estimates from the Survey of Average Weekly Earnings (AWE). For more details on the earnings definition in MLC, see Chapter 11.
A number of other labour costs are not covered by this survey. These include training costs, costs associated with employee welfare services, and recruitment costs. With the exception of training costs, these items are not considered to make a significant contribution to total labour costs. Training costs were collected in the Training Expenditure and Practices Survey, conducted for the financial year 2001–02, and in the earlier Training Expenditure Survey conducted for September quarters of 1989, 1990, 1993 and 1996. Costs covered in these former surveys are specifically for structured training provided by employers. For further information see Employer Training Expenditure and Practices, Australia (cat. no. 6362.0).
The scope of the survey is restricted to employing organisations in Australia. Public sector organisations operating in the Agriculture, Forestry and Fishing industry (Australian and New Zealand Standard Industrial Classification (ANZSIC) Division A) are included in the scope of this survey. Otherwise, the standard scope exclusions for ABS labour-related business surveys (outlined in Chapter 23: Methods Used in ABS Business Surveys) apply to this survey.
Detailed information is obtained about labour costs from selected employers using an online electronic collection methodology.
Respondents who do not submit their completed questionnaire within a reasonable period of time after the survey reference date are followed up by mail and then telephoned if necessary.
A sample of employing businesses is drawn from the ABS Business Register using the process outlined in Chapter 23. Employing units are stratified by:
Strata on the survey frame that are completely enumerated include those containing selection units with benchmark employment greater than a set cut off (this cut off will vary for different states/territories), and strata with a very small number of selection units in the population.
In addition to constraints outlined in Chapter 23, sample selection is constrained by ensuring there is minimal overlap with other labour-related business surveys.
The ABS reselects the sample for the MLC each time it is conducted. At the same time the overall design of the sample is examined to ensure that it remains efficient and cost-effective. For 2015-16 a sample of approximately 7,000 business units were selected.
Ratio estimation is used to generate population estimates from survey responses. Ratio imputation is used for non-responding units in both the completely enumerated and sampled strata.
Partial clerical imputation is carried out for units that can only provide part data. The missing item(s) is imputed using the relationship between that item and a relevant provided item as per responding units of similar type. Where relevant and available, employment and earnings data obtained from the Survey of Employment and Earnings (SEE) or AWE are used to assist clerical imputation.
Adjustments are made to survey estimates to account for births and deaths of private sector businesses that have occurred up to the end of the survey reference period, but which are not reflected on the survey frame.
For further information on estimation methods used in ABS business surveys, refer to Chapter 23.
RELIABILITY OF THE ESTIMATES
Estimates from the survey are subject to both sampling and non-sampling error. The relative standard errors of survey estimates are available in the publication.
The Bootstrap approach is used to calculate estimates of variance for this survey. The Bootstrap is a variance estimation method which relies on the use of replicate samples, essentially sampling from within the main sample. Each of these replicate samples is then used to calculate a replicate estimate and the variation in these replicate estimates is used to calculate the variance of a particular estimate.
DATA COMPARABILITY OVER TIME
In order to provide a high degree of consistency and comparability over time, changes to survey methods, survey concepts, data item definitions, and frequency of collection, are made as infrequently as possible. However, care should be taken in using data from this survey as a time series. The survey is designed to give an accurate 'snapshot' of data, rather than an ongoing series of observations over time. Key changes to the survey over time include:
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