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EXPLANATORY NOTES
10 For more information on the impacts of the introduction of the new economic statistics units model, refer to Information Paper: Improvements in ABS Economic Statistics [Arising from the New Tax System] (cat. no. 1372.0). Comparison Over Time 11 Prior to the 2005–06 collection, the Retail and Wholesale Industries Survey used the management unit as the statistical unit. The statistical unit in the 2005–06 collection is the ABN unit for businesses with simple structures, and the TAU for businesses with complex structures. In most cases, ABN/TAU units concord with the management units used in previous cycles. COVERAGE 12 The frame used for the Retail and Wholesale Industries Survey, like most ABS economic surveys, was taken from the ABS Business Register. The ABS Business Register is updated monthly to take account of new businesses and businesses which have ceased employing. Improvements to Coverage 13 Data in this publication have been adjusted to allow for lags in processing new businesses to the ABS Business Register, and the omission of some businesses from the register. The majority of businesses affected and to which the adjustments apply, are small in size. 14 Adjustments have been made to include new businesses in the estimates in the period in which they commenced operations, rather than when they were processed to the ABS Business Register. Adjustments of this type will continue to be applied in future periods. 15 For more information on these adjustments, please refer to the ABS publication Information Paper: Improvements to ABS Economic Statistics, 1997 (cat. no. 1357.0). COMPARISON WITH OTHER ABS STATISTICS 16 Annual industry data for retail and wholesale trade are also published in Australian Industry (cat. no. 8155.0). Both Australian Industry and Retail and Wholesale Industries present estimates based on businesses classified to ANZSIC Division G Retail Trade and Division F Wholesale Trade. There are important differences, however, between the statistics published in the two publications and users should exercise caution when making comparisons between the two sets of estimates. 17 The Australian Industry publication presents information on businesses coded to industry classes using the 1993 edition of ANZSIC (ANZSIC93), whereas Retail and Wholesale Industries presents estimates using the 2006 edition of ANZSIC (ANZSIC06). Australian Industry will present information on the basis of ANZSIC06 from the 2006–07 reference year. Refer to the Technical Note for more details on the impact on estimates arising from changes in the industry classification. 18 Australian Industry presents annual experimental summary statistics at the ANZSIC Class level. It shows the relative performance of each industry class, and allows patterns of change or growth to be analysed across particular segments of the Australian economy. The industry estimates presented in Australian Industry are used in the compilation of the National Accounts, and in the derivation of economy-wide indicators such as gross domestic product. 19 The Retail and Wholesale Industries publication supplements the annual industry summary statistics with a detailed examination of the performance, structure and activities of retail and wholesale businesses for the reference year of the survey. 20 Retail Trade (cat. no. 8501.0) is a monthly publication of selected retail businesses which uses the ANZSIC93 industry classification and excludes the following ANZSIC93 classes:
21 In addition, Retail Trade includes selected hospitality and service industries which are out of scope of the retail component of Retail and Wholesale Industries such as:
HISTORICAL COMPARISONS 22 Historical comparisons have not been made in this publication for several reasons. Changes in scope 23 The scope of the survey has been broadened to include non-employing businesses for the first time. Change in industry classification 24 The estimates in this publication are based on ANZSIC06 whereas estimates in the 1998–99 issue were based on ANZSIC93. 25 For more information, please refer to the Technical Note, or to Australian and New Zealand Standard Industrial Classification (ANZSIC) 2006 (cat. no. 1292.0) for more detail on the 2006 industry classification and concordances between the 1993 and 2006 versions. Australian Equivalents to International Financial Reporting Standards 26 The new Australian Equivalents to International Financial Reporting Standards (AEIFRS) were progressively implemented in Australia from 1 January 2005. As a result, changes in definitions have impacted upon both income statements and balance sheet items. 27 Since the implementation of AEIFRS, analysis of published time series data has indicated structural breaks in series. The magnitude of such breaks, however, cannot be determined without imposing a disproportionate load upon data providers. The ABS will continue to monitor developments and report any significant identified impacts as a result of AEIFRS. RELIABILITY OF DATA 28 When interpreting the results of a survey it is important to take into account factors that may affect the reliability of estimates. Such factors can be classified as either sampling or non-sampling error. 29 The estimates are based on information obtained from a randomly selected stratified sample of retail and wholesale businesses in the Australian business population. Consequently, the estimates in this publication are subject to sampling variability, that is, they may differ from the figures that would have been obtained if all units had been included in the survey (that is, if a census was conducted). One measure of the likely difference is given by the standard error (SE), which indicates the extent to which an estimate might have varied by chance because only a sample of units was included. 30 There are about two chances in three that a sample estimate will differ by less than one SE from the figure that would have been obtained if a census was conducted and approximately 19 chances in 20 that the difference will be less than two SEs. 31 Sampling variability can also be measured by the relative standard error (RSE), which is obtained by expressing the SE as a percentage of the estimate to which it refers. The RSE is a useful measure in that it provides an immediate indication of the sampling error in percentage terms, and this avoids the need to refer also to the size of the estimate. The tables overleaf contain estimates of RSEs for a selection of the statistics presented in this publication.
32 As an example of the above, an estimate of total income for the retail industry is $292,288.1m and the RSE is 0.9%, giving a SE of $2,630.6m. Therefore, there would be two chances in three that, if all units had been included in the survey, a figure of $289,657.5m to $294,918.7m would have been obtained, and 19 chances in 20 (i.e. a confidence level of 95%) that the figure would have been in the range $287,026.9m to $297,549.3m. 33 The sampling variability for estimates at the state/territory level was generally higher than for Australian level aggregates. Survey estimates for states/territories should therefore be viewed with more caution than those for Australia. 34 Similarly, sampling variability for estimates at industry class level was generally higher than for subdivision level and should therefore be viewed with more caution. 35 Errors other than those due to sampling may occur in any type of collection and are referred to as non-sampling error. For this survey, non-sampling error may result from such things as deficiencies in the register of businesses from which the sample was drawn, non-response, imperfections in reporting and/or errors made in compiling results. The extent to which non-sampling error affects the results of the survey is not precisely quantifiable. Every effort was made to minimise non-sampling error by careful design and testing of questionnaires, efficient operating procedures and systems and the use of appropriate methodology. Survey estimates subject to a high level of non-sampling error have been suppressed or provided with relevant cautions. 36 Estimates that have an estimated relative standard error between 10% and 25% are annotated with the symbol '^' . These estimates should be used with caution as they are subject to sampling variability too high for some purposes. Estimates with an RSE between 25% and 50% are annotated with the symbol '*', indicating that the estimate should be used with caution as it is subject to sampling variability too high for most practical purposes. Estimates with an RSE greater than 50% are annotated with the symbol '**' indicating that the sampling variability causes the estimates to be considered too unreliable for general use. QUALITY INDICATORS 37 For the 2005–06 Retail and Wholesale Industries Survey, there was a 90% response rate from all businesses that were surveyed and found to be operating during the reference period. Data were imputed for the remaining 10% of operating businesses. Imputed responses contributed 5.9% to the estimate of total income for the retail industry and 3.6% for the wholesale industry. ROUNDING 38 Where figures have been rounded, discrepancies may occur between the sum of the components and the total. Similar discrepancies may occur between a proportion or ratio, and the ratio of the separate components. REFERENCE PERIOD 39 Data contained in the tables in this publication relate to businesses involved in the retail and wholesale industry in Australia during the year ended June 2006. Financial estimates include the activity of any business that ceased or commenced operations during the year. Counts of businesses include only those that were operating at 30 June 2006. Employment includes only those persons working for businesses during the last pay period ending in June 2006. ACKNOWLEDGMENT 40 ABS publications draw extensively on information provided freely by individuals, businesses, governments and other organisations. Their continued cooperation is very much appreciated; without it, the wide range of statistics published by the ABS would not be available. Information received by the ABS is treated in strict confidence as required by the Census and Statistics Act 1905. AVAILABILITY OF ADDITIONAL DATA 41 This publication contains estimates at the ANZSIC Subdivision level only. Estimates at the ANZSIC Group and Class level are available in spreadsheets attached to the ABS web page for Retail and Wholesale Industries, Australia, 2005–06 (cat. no. 8622.0). The sample for this collection was not designed to support reliable estimates at the sub-state or small area level. The only data below the national level available from this collection are the broad level data for states and territories as presented in Tables 1.3 and 2.3. 42 Enquiries for further information about the statistics presented in this publication can be made by telephoning William Milne on (03) 9615 7862. Document Selection These documents will be presented in a new window.
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8622.0 - Retail and Wholesale Industries, Australia, 2005-06
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 17/08/2007
This page last updated 30 July 2014