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6446.0.55.001 - Consumer Price Index: Correspondence with 2009-10 Household Expenditure Classification, Australia , 2011  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 26/10/2011   
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This data cube, which can be found in the 'Downloads' tab above, is a spreadsheet that contains the Consumer Price Index Commodity Classification (CPICC), the 2009–10 Household Expenditure Classification (HEC) and the correspondences between them. Both the HEC and the Consumer Price Index Commodity Classification have a hierarchical structure; only the lowest levels of those structures are shown in this data cube (expenditure class for the CPICC and the 10 digit level for the HEC) as this is the level at which correspondences were established.

A full listing of the 2009–10 HEC is published in Household Expenditure Survey and Survey of Income and Housing, User Guide, Australia 2009–10 (cat. no. 6503.0), released on 13 September 2011. The CPI commodity structure and weighting pattern is available in Information Paper: Introduction of the 16th Series Australian Consumer Price Index, 2011 (cat. no. 6470.0), and A Guide to the Consumer Price Index: 16th Series, 2011 (cat. no. 6440.0).

Some HEC codes could not be considered unique to a CPI expenditure class and were split (or partitioned) over relevant CPI expenditure classes. Partitioning is indicated by either a "p" (proportional prorate) or a "f" (fixed split) between the HEC code and the descriptor. Since the direction of aggregation is unidirectional (from the HEC to the CPICC), partitioning has only been shown for the HEC codes in both the correspondences between HEC and CPICC (Table 4) and between CPICC and HEC (Table 5).

While the CPI weights are largely based on information from the Household Expenditure Survey (HES), the weights also include adjustments to allow for the following factors:

  • under–reporting of alcohol and tobacco expenditures in the HES;
  • scope and coverage differences. Some HES expenditures were adjusted to align to an acquisitions basis appropriate for the CPI such as for general insurance which is measured as the insurance service charge (gross premium less claims) in the CPI rather than gross premiums as measured in the HES;
  • measurement differences. Other data sources were used where HES data did not cover collection information required for CPI purposes. For example, expenditure on new dwelling purchases (excluding land) by owner–occupiers; Higher Education Loan Program (HELP) expenditures, and financial services expenditures;
  • significant changes in volumes between the time the HES was undertaken (2009–10) and the link period for the CPI (June quarter 2011). In the 16th series, volume adjustments have been made for Audio, visual and computing equipment;
  • price movements between the HES 2009–10 and the link period for the CPI (June quarter 2011). This process involved revaluing HES expenditures to CPI link period prices to maintain the underlying quantities;
  • price movements between time of purchase and reporting in the HES for items collected in HES with a recall period of more than 3 months; and
  • HES expenditures within particular capital cities which appeared "abnormal" due to a single large sample observation (excessively high or low).


ABBREVIATIONS


ABSAustralian Bureau of Statistics
CPIConsumer Price Index
CPICCConsumer Price Index Commodity Classification
HESHousehold Expenditure Survey


INQUIRIES

For more information regarding the 16th series CPI, please contact the Consumer Price Index Section, on 02 6252 6654.

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