LAMAS Working Group 29 June-1 July 2016 Agenda Item 3.2 IESS - Breaks in time series Anne.Clemenceau@ec.europa.eu Eurostat

Overview Background Potential breaks in time series Actions taken Communication strategy Eurostat

1 - Background 23/24 February 2016: first discussion in the DSS April 2016: Written consultation of the DSS on: Main sources of potential breaks in time series Actions to be taken Planned communication strategy with a focus on LFS, SILC and ICT-HH All 28 MS answered

2 – Potential breaks in time series Changes in: LFS SILC ICT-HH Definition, variables, questionnaire, classification 44 10 3 Data sources 4 Sampling, weighting, imputation 20 31 5 Fieldwork 28 18 12 Law 1 TOTAL 97 70

2 – Potential breaks in time series Changes linked to IESS: LFS SILC ICT-HH Definition, variables, questionnaire, classification 41/44 4/10 2/3 Data sources 4/4 0/10 Sampling, weighting, imputation 9/20 8/31 2/5 Fieldwork 9/28 2/18 2/12 Law 0/1 1/1 TOTAL 63/97 15/70 6/20

3 - Actions taken Source specific Country specific Including pilot study, introduction of an independent sample run in parallel, gradual implementation, application of a mathematical model  Follow-up at Working Group level

4 – Communication strategy Before change implemented After change implemented Initial user consultation process Detailed description in meta-data, quality report and user guides on national website External experts involved in methodological side of the project Footnotes in tables / flag data when published User seminar Press information notice/release/conference Methodological papers/methodological note/groups with central users Correct past series Convene a new labour market and demography liaison group

5 – Exchange of views form Common strategy for the introduction of the model questionnaire on employment/unemployment needed All changes implemented at the same time for all countries Parallel data collections for one quarter to calculate factors to link old and new series

LAMAS is invited to give views/agree on the Eurostat proposal that: A common strategy at European level is: Proposed by LAMAS Linked to changes in the definitions of employment and unemployment and to the introduction of flow chart/model questionnaire Is defined by end 2017 taking into account the proposal from LAMAS and results of feasibility studies