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Survey Framework and Representativity Indicators

The guidelines and outline for survey frameworks implemented in the ICP 2011 were developed through a participatory approach involving the ICP Global Office, the Regional Coordinators and the Technical Advisory Group. Two categories of surveys are to be considered: the main price survey on household consumption products and the other special surveys related to health, education, housing, and gross fixed capital formation.

The framework for the main survey built on the CPI infrastructure. Emphasis was laid on how best the price collection infrastructure existing in the country would be used, with a view to minimizing the extra cost needed to carry out the additional work required by the ICP.

The framework’s sampling approach covered five main aspects, namely:

1. Geographical coverage and stratification (Where did data collection take place: which regions/provinces/districts in the country, which locations: cities, towns, etc.);

2. Outlets Selection (In which outlets were prices collected?);

3. Item Selection (How many items were surveyed in the country? In which outlets were prices collected? It was recommended that, for each basic heading, each country should select at least 1 item from the Global Core List, and at least 3 items from the Regional list);

4. Price Quotations (How many price quotations were expected for these items? For each item, each quarter, at least 3 price quotations were required from each location where a particular item was available); and

5. Frequency of Data Collection (Each participating country was to price each available item at least quarterly).

Regarding means of data collection, the survey framework in each country describes the distribution of the survey personnel (data collectors, supervisors, data entry clerks) and their assigned areas in the country. They also indicated how the data collection material and equipment were distributed and used in order to effectively collect price data.

Regarding ICP special surveys, the Regional Coordinators worked with the national implementation agencies to find the best ways to conduct these surveys. Given the technicalities involved it was recommended that National Statistical Offices should procure the services of machinery and equipment experts and construction specialists to help them collect the prices of relevant items.

Other special surveys related to Health, Education, and Housing required ad hoc survey frameworks in line with the National Accounts requirements in terms of geographical coverage, exhaustiveness, and time span.


Research Item 04: Problems with the Review of Survey Frameworks, and the Use of Representativity Indicators



ICP Book

The Survey Framework: Household Consumption


Brief Overall Survey Framework Outline (English) (Arabic) (French) (Spanish)


Survey Framework Questionnaire (English) (Arabic) (French) (Spanish)


CPI Metadata Questionnaire for 2011 ICP Round (English) (Arabic


Important Products (English) (Arabic) (French) (Spanish)


ICP Survey Framework


Homogeneous and Heterogeneous Basic Headings 


Survey Framework for ICP Price Collection --- PowerPoint Version 


Are Integration and Comparison between CPIs and PPPs Feasible? 


Family of Consumer Price Indices for Different Purposes - The CPIs for Sub-groups of Population 


The Interpretation of the PPPs: a Method for Measuring the Factors that Affect the Comparisons and the Integration with the CPI Work at Regional Level 


Notes on Representativity 


Survey Framework for the ICP Price Collection


Income Effect and Urban-Rural Price Differentials from the Household Survey Perspective 

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