1. Current status of ongoing seasonal adjustment activities
2/23/2019
Current status of ongoing seasonal adjustment activities
Rosa Ruggeri Cannata
Eurostat - Unit D1
Key Indicators for European Policies

2. 2/23/2019
Introduction
Attention on harmonisation of SA practices for PEEIs and infra-annual statistics
Revitalisation of the Seasonal Adjustment Steering Group
Methodological changes in NA (chain-linking)
Reconvention of the Task Force on Seasonal Adjustment of Quarterly National Accounts

3. Ongoing SA initiatives - Outline
2/23/2019
Ongoing SA initiatives - Outline
Seasonal Adjustment Steering Group
(joint with ECB DG Statistics)
Task Force on Seasonal Adjustment of Quarterly National Accounts (joint with ECB DG Statistics)
Training activities
Improving Demetra

4. Seasonal Adjustment Steering Group
2/23/2019
Seasonal Adjustment Steering Group
Co-chaired by ECB DG Statistics and Eurostat
Composed by delegates from 8 Member States, both from NSIs and NCBs
First meeting 14th February, Luxembourg
Subgroup on ESS SA guidelines
Subgroup on metadata template
Next meeting 11th July Frankfurt

5. Task Force on SA of Quarterly National Accounts (1)
2/23/2019
Task Force on SA of Quarterly National Accounts (1)
Co-chaired by ECB DG Statistics and Eurostat
Composed by delegates 19 Member States, from NSIs, NCBs and Wifo
First meeting - 15th February, Luxembourg
Previous TF final report: 10 recommendations identified for review/amendment
Subgroup to analyse different aspects of three chain-linking techniques currently used in European countries

6. Task Force on SA of Quarterly National Accounts (2)
2/23/2019
Task Force on SA of Quarterly National Accounts (2)
Questionnaire run successfully on chain-linking practices
Second meeting 23th-24th April, Frankfurt
Discussion of the three papers on chain-linking techniques
Discussion of an empirical study on calendar and seasonal factors of some NA components
Creation of a group to draft a detailed paper about chain-linking effects on the correction of calendar adjustments

7. Other activities Demetra: Training activities
2/23/2019
Other activities
Demetra:
Recently improved in order to incorporate recent versions of X-12-Arima and TRAMO-SEATS engines
X-12-Arima and TRAMO-SEATS on equal footing
Training activities
ESTP training in Luxembourg, 11th-15th June with the participation of David Findley, Agustin Maravall and Dominique Ladiray

8. 2/23/2019
Future Work
Finalise ESS SA guidelines and present them to the CMFB and the SPC
Reflection has started on Demetra:
Procedural or modular underlying architecture?
Open source implementation language?

9. Thank you for your attention
2/23/2019
Thank you for your
attention