Volume 1: Consumer Price Indices

Niger (Niamey, Europeans)

Official title

Indice des prix à la consommation familiale européenne (European Consumer Price Index).

Scope

The index is compiled monthly and relates to European families in Niamey.

Official base

15 November-15 December 1964 = 100.

Source of weights

The weights and selected items were derived from a household expenditure survey conducted in Niamey from 15 November to 15 December 1964, by means of mail questionnaires addressed to a sample of households of French officials engaged in technical co-operation.

Weights and composition

Major groups Number of items Weights Approximate number of price quotations
Food 7846.1...
Electricity, gas and water 311.1...
Cleaning materials 102.5...
Clothing, footwear and household linen 126.0...
Domestic services 28.2...
Miscellaneous 2826.1...
Total 133100.0...

Household consumption expenditure

Not available.

Method of data collection

Prices for food and other items are collected by agents twice a month from five retail stores and four times a month from one market.

Housing

Rent is not included as an index item, nor is it taken into account in determining the weights.

Specification of varieties

Not available.

Substitution, quality change, etc.

Not available.

Seasonal items

Prices for seasonal items are collected throuhgout the year. Average prices of these items are used to calculate the index.

Computation

The index is computed according to the Laspeyres formula as a weighted arithmetic average with fixed base, using weights corresponding to the base period.

Organisation and publication

Ministère du développement et de la coopération, Direction de la statistique: Bulletin de statistique (Niamey).