Explanatory notes covering the basic structure of input-output and associated tables, special treatments adopted in compiling input-output tables and using input-output tables for analysis are shown in Australian National Accounts: Concepts, Sources and Methods (cat. no. 5216.0), Chapter 9, The Input-Output Framework.
Explanatory notes relating to the input-output tables covering the I-O approach to compiling the national accounts and sources and methods are shown in Australian National Accounts: Concepts, Sources and Methods (cat. no. 5216.0), Chapter 12, Input-Output Tables.
The input-output tables contain data expressed in millions of dollars. The supply and use tables (tables 1-4) are rounded to one decimal place while the margins and taxes less subsidies on products tables are rounded to three decimal places. This rounding has been applied in order to find a balance between providing data which can be effectively applied in economic models while not providing a misleading indication of confidence in the statistical accurracy of the estimated values. In the compilation of input-output tables various modelling techniques are used to populate the tables because directly collected information is not available for every cell in the input-output table. As a consequence of these modelling techniques very small values may be estimated in certain cells but the statistical accuracy of these data cannot be verified to a sufficient degree. Through rounding the amount of statistical noise is reduced and users can focus more directly on cells of significance.
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