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FEATURE ARTICLE: REVISIONS TO ENGINEERING CONSTRUCTION STATISTICS
The Engineering Construction Survey (ECS) measures the value of all engineering construction work undertaken in Australia. This incorporates all construction activity excluding building construction, which is captured under Building Activity, Australia (cat no 8752.0).
To ensure engineering construction statistics are as accurate as possible the ABS produces revised estimates at various stages of the collection cycle. This article will outline the sources of revisions in greater detail and explain the principles that guide the timing and magnitude of revision to engineering construction statistics.
SOURCES OF REVISIONS
The major sources of revisions to engineering construction statistics include:
PRINCIPLES OF REVISIONS
The following principals govern revisions to engineering construction statistics:
PUBLICATION OF REVISIONS
Engineering construction statistics are published for a given reference quarter for the first time in Construction Work Done, Preliminary (cat no. 8755.0), before being updated with additional detail in Engineering Construction, Australia (cat no. 8762.0). Revisions made to the previous reference quarter are published in the next available release. Significant revisions made to reference quarters prior to the previous quarter are published once per year in the next March release of Construction Work Done, Preliminary (cat no. 8755.0) and updated with additional detail in Engineering Construction, Australia (cat no. 8762.0).
Subsequent impacts of revisions to engineering construction statistics can be seen in the National Accounts.
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