1. « Survey on PRODCOM data collection in other MS
Economic Statistics Department
International Trade, Industry and Construction Statistics Unit
Cristina Neves

2. Survey on data collection in other MS
Why?
General Guidelines of National Statistical Activity
Objective 1
To improve the quality of statistics produced within
the scope of the National Statistical System, with
special focus on compliance with deadlines for the
availability and accessibility of data

3. Survey on data collection in other MS
Why?
Action Lines (LA)
LA1 – To increase the receptivity and participation of enterprises in data collection operations conducted by entities of the National Statistical System
LA3 – To overall reduce the costs with the production of statistical information
LA4 – To shorten the deadline of availability of information, in compliance with the commitments taken on, namely with international organisations

4. Survey on data collection in other MS
Why?
Prodcom Survey:
High burden on enterprises
Need to improve data collection
Need to simplify data collection and data analysis procedures
Need to improve systems used for data analysis, edit, imputation, etc.
For a better internal usage (National Accounts): quality improvement
Methodological evaluation

5. Survey on data collection in other MS
How?
Internal Working Group (main players):
Economic Statistics Department
Data Collection Department
Methodology and Information Systems Department
National Accounts Department
Survey on data collection in other MS

6. Main purposes of the questionnaire to MS:
Survey on data collection in other MS
Main purposes of the questionnaire to MS:
Better knowledge of methodologies and procedures used by MS
Identify benchmarking initiatives and procedures
Final goals:
Simplify procedures
Reduce burden (on enterprises and on NSI)
Improve quality

7. Survey on data collection in other MS
How?
Questions to MS:
What are the procedures used to select the sample concerning Prodcom survey?
Please specify the procedures related to data collection, namely:
Type of questionnaire: paper, electronic, both?
Do surveys sent to enterprises include previous year data?
Calendar
Check and quality control procedures
Use or intent to use CN to collect data

8. Survey on data collection in other MS
How?
Questions to MS:
Do you make adjustments for non-responses? Specify methodology
Do you use alternative sources for check and quality control of Prodcom data?
Do you have a revisions policy for Prodcom data?
The Prodcom data you disseminate refers to 90% or 100% of total production?

9. Also use the quality reports available on Circa (12 MS)
Survey on data collection in other MS
Who?
Participating MS:
Hungary
Slovakia
Turkey
United Kingdom
Denmark
Czech Republic
France
Germany
Also use the quality reports available on Circa (12 MS)

10. Survey on data collection in other MS
Main outcomes:
The majority of MS apply the following procedures:
Cut-off sample (more than 10 or 20 employees)
Paper form is still an important type of questionnaire in use
The inclusion of previous year figures in the questionnaire is an increasing procedure.
Simplifications such as the restriction of codes available (only the products reported last year are available)
Annual data collection of Prodcom data
Use of CN: No, but correspondence tables available

11. Survey on data collection in other MS
Main outcomes:
The majority of MS apply the following procedures:
Quality control
comparison with data from previous year
comparison with STS (Production indices)
Adjustments for non-responses:
high response rates
adjustments, if needed, made using data from previous years or average prices from the current year

12. Survey on data collection in other MS
Main outcomes:
The majority of MS apply the following procedures:
Other sources of information: used only for quality control
Revisions policy: 12 to 18 months after the reference year
June N+1: preliminary data
December N+1/ June N+2: final data
Coverage rate: 90% (without estimation for 100%)

13. Main outcomes to be adopted by Statistics Portugal:
Survey on data collection in other MS
Main outcomes to be adopted by Statistics Portugal:
Inclusion of previous data in electronic questionnaire;
Validations for major variations (year N/ year N-1)
Mandatory collection of justifications for major variations (year N/ year N-1)
New procedures concerning sampling and imputation
New revisions policy:
June N+1 – preliminary data
December N+1 – provisional data
December N+2 – final data

14. « THANK YOU Economic Statistics Department
International Trade, Industry and Construction Statistics Unit
PRODCOM WG
29-30 November 2012