1. ESS guidelines on temporal disaggregation by Dario Buono dario
ESS guidelines on temporal disaggregation by Dario Buono (Eurostat, Unit B1 Methodology)
DIME/ ITDG Plenary Luxembourg, 22/23 February 2018 Item 11

2. ESS Guidelines on TD Why? What for? How?
Methodology harmonization: the definition of best practices
What for?
Deriving consistent high (Q/M) frequency data from low frequency (A/Q) data
How?
Estimation methods with
quality measures

3. ESS Guidelines on TD Who? When? Where? All infra-annual data producers
Regular production and revision analysis
Where?
Stand-alone and remote solution

4. Framework
The ESS Guidelines on TD present both theoretical aspects and practical implementation issues in a user-friendly way
Methods
Specific domains
Revisions
Quality and documentation.
CoP requirements are satisfied
principle 7 (Sound Methodology)
principles 14 (Coherence and Comparability) 15 (Accessibility and Clarity)

5. Approach
Common Guidelines for Temporal Disaggregation within the ESS as essential step for a better harmonization and comparability of infra-annual statistics
Each stage of Benchmarking and Reconciliation process is explained and options described.
Out of these options three alternative courses of action are highlighted:
(A) Best alternative (B) Acceptable (C) To be avoided

6. Guidelines structure
1. Introduction (includes motivation, definitions, and general policy) 2. Preliminary analysis 3. Temporal Disaggregation 4. Benchmarking 5. Reconciliation and Multivariate Benchmarking 6. Specific Issues 7. Presentation

7. Roadmap 2017 March, SA Expert Group, some NSIs & NCBs
2017 April, WG Methodology Discussion (all MS)
2017 May, WG National Accounts (all MS)
2017 May-December, dedicated Task Force with MS
2017 DIME/ITDG SG consultation
2018 February, DIME/ITDG opinion
2018 May, WG Methodology
2018 ESSC endorsement

8. Current Member of the TF on Temporal Disaggregation
5 VC Meetings held
Eurostat: Dario Buono (Methodology), Riccardo Gatto (Labour Market), Enrico Infante (National Accounts)
AT: Markus Fröhlich (Methodology)
BE: Jean Palate (National Accounts),
CZ: Karel Safr (National Accounts)
DE: Erich Oltmanns (Methodology)
DK: Peter Stoltze (Methodology)
IT: Barbara Gualdabascio (Methodology), Filippo Moauro (National Accounts)
NL: Rainer Bikker (Methodology)
UK: Duncan Elliott (Methodology)

9. Work in progress Latest version is available at:

10. …open points to kick-off the discussion
Any suggestion for the overall structure?
Should we include higher frequency data (e.g. weekly or daily)?
Shall we quote the tools to be used?
Which Groups shall be consulted before the ESSC?