Price Indices |
Brief Introduction |
I.
the data on the price indices in this chapter show the changing trend and the
change rates in production, circulation, consumption and investment, etc.,
including mainly consumer price indices of residents, retail price indices,
price indices of agricultural means of production, purchasing price indices
of farm products, producers price indices of industrial products, purchasing
price indices of raw materials, fuels and power, and price indices of investment
in fixed assets. |
II.
the statistics of price indices is organized by the Urban
Socio-economic Survey Organization, NBS. the urban
socio-economic survey organizations of the provinces, autonomous regions and municipalities
directly under the central government as well as the urban socio-economic
survey organizations of the selected cities and counties collect statistical
data from the grassroots units in accordance with the scheme of price survey
stipulated by the NBS, tabulate them and report them to the higher agencies. |
III.
the data for calculation of the consumer price
indices of residents and the retail price indices in |
(1)
the selection of the areas and places for survey:
Based on such principles as regional economic features and reasonable
geographic distribution, representative sample areas for the national survey
are selected which include large, medium and small cities and counties. When
the sample areas are selected, large-scale shops and markets (including
fairs) with great varieties of commodities are selected as the survey places. |
(2)
the selection of the representative commodities and their
specifications or varieties: the representative commodities are the commodities
consumed in large quantity and representative in price changes. the representative specifications or varieties are
determined according to the data on the retail sales of commodities and the account
data of the residents of 36 thousand urban households and 67 thousand rural
households, following the related instructions for selection. in principle,
only those specifications or varieties of the commodities can be selected:
(1) They are closely related to the social production and people's
livelihood; (2) They are sold in large quantities (or big values); (3) They
are stable in the market supply; (4) the changes of their prices are
representative in trend; (5) There is great difference among the specifications
or varieties selected. |
(3)
Survey way: Enumerators are sent to the survey places to take the records of
the prices. Nearly 10 thousand assistant enumerators are invited to assist
the survey work. |
(4)
the determination of the weights: the weights for calculation
of the retail price indices are determined according to the total retail
sales of commodities. the weights for calculation of
the consumer price indices are determined according to the composition of the
consumption expenditures of more than 90 thousand urban and rural households. |
IV.
the data for the calculation of the price indices of
industrial products are collected by the key unit survey. the
data for the calculation of the price indices of the investment in fixed
assets are collected by the survey on key units and typical units. the coverage of the survey includes the industrial and construction
enterprises and construction units. |