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The BLD CURF is designed to enable longitudinal micro level analysis. Hence, while the sample is stratified by industry division and employment size, it is not designed to produce cross-sectional or population estimates and, therefore, users are discouraged from doing so. The major consideration when allocating the sample in the first year of each panel is to ensure that enough live sample will be available at the end of five years to facilitate longitudinal analysis.
The BLD CURF includes data directly collected by the BCS covering topics such as innovation practices and barriers; Information Technology use; market share and competition, barriers to business performance; employment arrangements; and skills utilised within the business. These details are provided for the reference periods included within the BLD. No geographic information is included in the BLD.
Microdata from the Business Longitudinal Database are available as an Expanded CURF. The data item list shows the level of detail available in microdata format and can be accessed from the downloads tab.
This is the third iteration of the BLD CURF containing data from a sample of the in-scope Australian business population, referred to as a panel. Panel Three contains five years of data for 3075 units including the reference periods 2006-07 to 2010-11. Every year a new panel is initiated from the in-scope businesses on the ABS Business Register (ABSBR). The next BLD CURF, Panel Four is scheduled for release in 2015 and will cover the reference periods 2008-09 to 2012-13.
Steps have been taken to confidentialise the data on the CURF to ensure businesses cannot be identified while at the same time maximising the usefulness of the content. Further information about the steps taken to confidentialise the microdata is available through the following link:
ATO data included in the BLD CURF have been supplied to the ABS under the Income Tax Assessment Act 1936 which requires that such data are only used for statistical purposes. Customs data is also included on the CURF. No individual information collected under the Census and Statistics Act 1905 is provided back to the ATO or Customs for administrative or regulatory purposes. Please note that this data is as reported to the regulatory bodies and any discussion of data limitations or weaknesses are in the context of using the data for statistical purposes, and are not related to the ability of the data to support the ATO's or Customs core operational requirements. The ABS wishes to acknowledge the assistance of both of these organisations in the development of the BLD and the BLD CURF.
Microdata: Business Longitudinal Database, Australia, 2006-07 to 2010-11 (cat. no. 8168.0.55.001) is the key source for reference when using the BLD CURF. It includes information about statistical units used, scope and coverage, sample design, data sources and content, data quality and considerations; and the conditions of use.
CURF microdata are not available to the public without special access being granted. All CURF users are required to read and abide by the 'Responsible Access to ABS Confidentialised Unit Record Files (CURFs) Training Manual' (cat. no. 1406.0.55.003). Application to access a particular CURF microdata can be completed and submitted for approval by following the steps listed in the 'How do I apply for CURFs' Frequently Asked Questions. A full list of available CURFs can be viewed via the 'Expected and available Microdata'.
This Expanded CURF can only be accessed through the Remote Access Data Laboratory (RADL) and the ABS Data Laboratory (ABSDL). More detail regarding types and modes of access to CURFs can be found on CURF Access Modes and Level of Detail web page.
If you have any questions regarding access to CURF Microdata please contact the Microdata Access Strategies Section at firstname.lastname@example.org or call (02) 6252 7714.
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