In addition, if a sub-group accounted for 0.0325 per thousand or more, but included no single item reaching this percentage, the goods which had the highest weights were selected.
Once the goods and services for a given sub-group were selected, the general approach was to distribute the sub-group's total weight proportionately among those items.
The weights of non-selected sub-groups were distributed proportionately among the selected goods of the corresponding group.
Major groups | Number of items | Weights | Approximate number of price quotations |
---|---|---|---|
Food | 137 | 32.98 | ... |
Housing: | |||
Rent and repair | 11 | 9.89 | ... |
Fuel, light, water | 6 | 6.40 | ... |
Furniture, furnishings and household equipment | 53 | 9.11 | ... |
Clothing and footwear | 64 | 8.44 | ... |
Transport and communication | 19 | 16.96 | ... |
Other: | |||
Medical and personal care | 32 | 5.15 | ... |
Education and recreation | 35 | 6.90 | ... |
Tobacco | 1 | 1.81 | ... |
Other | 10 | 2.37 | ... |
Total | 368 | 100.00 | ... |
Consumption expenditure includes life insurance premiums, money orders, gifts and insurance premiums for consumer goods (dwelling, vehicles). It excludes benefits in kind, owner-occupied dwellings, social security and pension fund contributions, income tax and other direct taxes. For credit purchases, only payments actually made during the reference period are included.
Supplementary surveys were carried out in order to determine the distribution of the total sample of data sources for each item among the various areas of Greater Santiago, in light of the different types of establishments selling such items. The first such survey covered over 6,000 retail establishments, and identified the most representative establishments in each area of Greater Santiago with respect to sale of the various items. It led to a classification of these establishments as regards the availability of items, sub-groups, groups and collections of items for sale.
The second survey was a point of purchase survey, covering a sample of around 1,000 private households. This survey revealed the communes and types of establishments with the most frequent sales and greater share of household expenditure in Greater Santiago.
The price relative for each item is calculated by dividing the average price for the current period by the average price for the base period. Average prices are the simple arithmetic averages of prices ascertained in the various points of sale.
Indice de Precios al Consumidor(Santiago).
Idem: Informativo Estadístico
.
Idem: Indice de Precios al Consumidor. Base Abril
1989 = 100. Aspectos Metodologicos
.