1. Enhancement of the Commercial Register to Reduce Response Burden in Economic Structural Statistics
Patxi Garrido, Haritz Olaeta, Marta Salvador
Helsinki, 5th May 2010

2. Outline Motivation Data in Commercial Registers
Shortcomings of the Data Set
Enhancement of the Register
Results
Conclusions and Future Work

3. Motivation Increasing response burden. Effects on quality
Redundant efforts: official statistics vs. Administrative data
Commercial Registers: complete economic information
Need to merge sources (partial/complete)

4. Data in Commercial Registers
Only mercantile companies
Fiscal site (province)
Balance sheet and Profit&Loss account
Cooperation Agreement for statistical use
“Equity Accounts of Non-Financial Companies”
Divisions not included: 12 (NACE)

5. Shortcomings of the data set
Shortcoming 1: Population covered

6. Shortcomings of the data set
Shortcoming 2: localisation of the activity
Establishment versus Company
Shortcoming 3: Errors
Non response
Inconsistencies

7. Enhancement of the register
Enhancement 1: division and companies not included
Extrapolate mercantil observed values
Estimate by Industrial Statistics sub-samples
Shortcoming 2: localisation
Indirect Ratio Estimation
Shortcoming 3: errors in data
Validation rules
Imputation techniques

8. Enhancement of the Register
Composite Estimator

9. Preliminary results

10. Preliminary results

11. Preliminary results

12. Conclusions and Future Work
Waste of resources
Increasing errors
Different performances in different subpopulations
Future work
Replacement of sampled data
Merging of sources

13. Thank You!