References:

• Weight : 2016 ASI
• Price : 2018 Q4
• Index : 2018 Q4

Section Coverage:

• Agriculture
• Manufacturing
• Utility

Geographical Coverage :

• All Island - Western, Southern, Central, North Central, North Western

Agriculture

Manufacturing

Utility

Sample:

• 277-Establishments
• Sections: 03, 2D-Divisions: 16, 3D-Groups: 22, 4D-Classes: 33

Sample Frame:

• Annual Survey of Industry – 2016, with units classified by ISIC Rev.4
• N = 1,158

Measure of Size:

• Production Value (1,292 Billion Rupees)

Sampling Method:

• Cutoff Method [95% - Cutoff Level]

Methods:

• Personal Visits [initiation visit]
• Over the phone
• Email

Separate 2 questionnaires:

• Initiating Respondents
• Collecting Price Updates

In an Initiation Visit:

• Weight Information is collected
• Items are Selected
• Constant Quality Pricing
• Initial Item Prices are Collected
• Respondents are Instructed to completing Future Updates

Company : A

Output: 100 Mn Rs.

Production Line

1

2

3

Item Weight Share

50%

30%

20%

The monthly item prices collect as of the 15^th day of the month from 2018 October to Current

The Modified Laspeyres Index Method

Modified Laspeyres Index

10

Web Release

Infographic

Index Movement

Expanded geographical coverage

• The index now covers six provinces across the country.

Weights are parallel to the national account estimates

• National accounts estimates of total market output were used to adjust the weights.

An advanced date to dissemination

• Data dissemination is advanced by 5 days with the new release of PPI.