Statistics methodology for consumer prices
I. Basic definition (monitored sector or statistical area)
Consumer price index ranks among the most important price development indicator in the system of price indices calculated in the Czech Republic. The index measures in a representative way and over time relative changes of final consumer prices of goods and services paid by the population (including all taxes). Besides national consumer price index, also harmonized index of consumer prices (HICP) is calculated.
Consumer price statistics represents set of information of absolute consumer prices and price indices. Statistics are used for administrative and analytical purposes. Definition of statistics are based mainly on relevant EU directives, general concepts of price statistics and national accounts.
II. Data source
1. Statistical surveys
- direct survey 1 - Monthly survey of goods and services average consumer prices
- direct survey 2 – Monthly survey of food average consumer prices
- Ceny E 2-52 – Weekly questionnaire about fuel consumer prices
- Ceny E 2-12 – Questionnaire about fuel consumer prices
- Ceny Nájem 1-12 – Monthly questionnaire about rentals paid for the flat
- Ceny Ob 1-12 – Questionnaire about retail sales structure (scanner data)
- Ceny TS 1-12 (po) – Monthly quetionnaire about market services prices
- Price survey via internet
2. Administartive data sources, taken data
- Administrative data sources of Energy Regulatory Office (ERÚ).
III. Creation of the basic and sample set, additions and estimates of the unsaved part of the set
Sample surveys
IV. Overview of basic published indicators
Price indices and average consumer prices of selected goods and services
V. Retrospective corrections, revisions, estimate refinemnet procedure
Price indices are final and are not subsequently revised
VI. Comparability
1. Comparability over time
Full.
2. Comparability with other outputs
Outputs are comparable within statistics coming from the same data sources
3. International comparability
Price indices are internationally comparble within EU.
VII. Seasonal adjusting
Seasonally adjusted month-on-month index is calculated for analytical purposes.
VIII. Data publishing
CZSO website:
EUROSTAT website(data)
https://ec.europa.eu/eurostat/web/main/data/database
Database by themes/Economy and finance/Prices/Harmonised index of consumer prices (HICP)
IX. Additional methodical information and external links
https://csu.gov.cz/inflation_consumer_prices_ekon
CPI Methodological manual: https://csu.gov.cz/what_is_it_inflation_resp_inflation_rate
Additional methodological notes in Methodology section: https://csu.gov.cz/inflation_consumer_prices_ekon