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IPS102 Sigita G. et al.
                  distributional aspects of households’ Income, Consumption and Wealth (ICW).
                  Eurostat has been working on the two work streams of the ICW project:
                      •  The joint distribution of ICW  (based on household surveys ).
                                                     1
                                                                                  2
                      •  Micro  (survey  statistics)  –macro  (national  accounts)  data  links  for
                                                              3
                         households' income and consumption .
                      This paper will cover the methodology and experimental results of both
                  work strands.

                  2. Methodology
                  2.1. Micro-Macro links for income and consumption
                      Differing  concepts  and  data  collection  practices  between  national
                  accounts  and  social  surveys  mean  that  these  different  sources  do  not
                  necessarily lead to the same conclusions as regards people’s prosperity. In
                  2018 Eurostat published a new experimental statistics webpage “Income and
                  consumption: social surveys and national accounts”. It includes a conceptual
                  and numerical comparison of income and consumption indicators between
                  social  surveys  and  national  accounts  as  regards  household  income  and
                  consumption. This entails:
                      - analysing methodological concepts in data sources and quality of
                       underlying  data,  in  order  to  create  categories  of  income  and
                       consumption that are similar in both data sources,
                      - estimate the total of income and consumption for these categories (using
                        the categorisation established for each data source),
                      - calculate the data gaps between these categories,
                      - distribute the data gap (results are not yet published by Eurostat) to
                        derive distributional indicators derived from surveys and benchmarked
                        to national accounts totals.
                      With regard to the latter, the choice of the method for distributing the gap
                  can significantly impact the results. According to Zwijnenburg J. (2016), the
                  main  reasons  for  data  gaps  are  the  quality  of  micro  data  used  to  derive
                  distributions (including measurement and estimation errors), the quality of
                  macro data, the methodological consistency between micro and macro data
                  sources, the quality of the adjustments to the national accounts totals and the
                  correction for the underground economy and illegal activities. The soundness
                  of  the  distributional  results  needs  to  be  complemented  by  metadata.  This
                  should reflect the quality of input, consistency of concepts and actual data


                  1  https://ec.europa.eu/eurostat/web/experimental-statistics/income-consumption-and-wealth
                  2  Income- EU-SILC (European Union Statistics on Income and Living Conditions); consumption
                  – HBS (Household Budget Survey); wealth – HFCS (Household Finance and Consumption
                  survey, ECB)
                  3  https://ec.europa.eu/eurostat/web/experimental-statistics/ic-social-surveys-and-national-
                  accounts
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