Volume 1: Consumer Price Indices

Bangladesh (Dhaka)

Official title

Middle-class cost of living index for government employees in Dhaka city.

Scope

The index is compiled monthly and covers middle-class households of government employees in Dhaka city.

Official base

1973-74 = 100.

Source of weights

The weights and selected items were derived from the household expenditure survey conducted in 1973-74, covering all households of all income groups. The index relates to middle-income group households in Dhaka with monthly income between 300 and 999 Taka at the time of the survey.

Weights and composition

Major groups Number of items Weights Approximate number of price quotations
Food 7762.74...
Fuel and lighting 57.50...
Housing and household items 2411.85...
Clothing, footwear, etc. 256.20...
Miscellaneous 5711.71...
Total 188100.00...

Household consumption expenditure

Not available.

Method of data collection

Prices are collected by enumerators, from markets, selected retail stores and establishments each week, fortnight, month and quarter. The frequency of price collection depends on the nature of the item. Prices for electricity, gas, medical care, education and transport are collected from the respective service establishments. The prices used in the index are the open market prices for all items except rice for which both open and controlled prices are taken into account.

Housing

Rent quotations are obtained from a sample of 10 dwellings.

Specification of varieties

Not available.

Substitution, quality change, etc.

When an item is no longer available it is substituted by another item with approximately the same quality, and a linking method is used.

Seasonal items

Fresh fruit and vegetables are regarded as seasonal items, and are priced when they are available during the season. Closing prices for the previous season are maintained during the off season.

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.

Other information

The Bangladesh Bureau of Statistics also calculates series for middle-income families in Khulna and Chittagong as well as for low- and high-income families in Dhaka.

Organisation and publication

Bangladesh Bureau of Statistics: Monthly Statistical Bulletin of Bangladesh (Dhaka).