from an integrated system of administrative microdata to an - - PowerPoint PPT Presentation

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users

NTTS 2015 Session 6C - Enterprise architecture and integration

Simone Ambroselli – Istat ambrosel@istat.it Giuseppe Garofalo – Istat garofalo@istat.it

10 March 2015

SIM and Archimede

SIM (Integrated System of Microdata) realized the microdata integration and the attribution of the unique identification codes for:

• individuals;
• units;
• places
• relationships among individuals and units.

ARCHIMEDE project has the aim of exploring the informative contents of the SIM, in order to produce new statistical microdata collections made available to social and economic researches, to sectorial and territorial planning for the evaluation of public policies at the national, regional and local levels.

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

1

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

The relationship between SIM and Archimede

2

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

SIM: the subsystems

3

Main sources:

• Taxation registers
• Social security registers
• Student/education

registers

• Demographic
• Chambers of Commerce

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

SIM: sources, numbers and variables

4 SIM

• N. Sources

Individuals 42 (422mln records) Units 42 (65mln but…) Places: Individuals 25 Places: Units 30 Rel: Individuals 3 Rel: Units 7 Rel: Ind/Units 12 1,400 variables + 13,500 from specific tax sources

A paradigm shift in the use of administrative data for statistical purposes. The exploration of the “existing data" allows the identification of the statistical information that can satisfy a need: from the data to the needs. A scouting approach that changes the paradigm in relation at least to two aspects

• the definitions and classifications can be determined in the process of

exploration and therefore are not fixed a priori; and that implies

• that the consistency of the statistical information produced with the

conceptual statistical schemes can be evaluated only ex-post.

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

5

Archimede project

Identify, classify and quantify the population using the territory. Sources: registry office of the population; job location of the employees and school and university location of the students.

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

Archimede: city users

6

SIM PLACES - INDIVIDUALS SIM INDIVIDUALS SIM PLACES - ECONOMIC UNITS SIM RELATIONSHIPS BETWEEN INDIVIDUALS AND ECONOMIC UNITS

Build a system of information on the families which allows to analyse various aspects of their socio-economic status.

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

Archimede: socio-economic condition of families

7

SIM INDIVIDUALS SIM RELATIONSHIPS AMONG INDIVIDUALS

Variables Population Income Labour Unemployment benefits Education Pensions Disabilities

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

Lessons learned

8 The two projects complement each other

• providing the necessary microdata structures to the external users;
• exploiting the potentialities of an integrated microdata system;
• without increasing the statistical burden.

SIM supports the internal statistical processes. ARCHIMEDE emerges as a tool to satisfy new demands, also from

• utside the NSI, starting from the data available.

Applicability of your experiences in other NSIs

SIM Istat followed a long tradition among the European Countries in producing statistics based on administrative registers. The key aspect is the unified identification system across different sources. Archimede A similar project is applicable not only when sources and variables are available but when specific rules for data processing and transmission are consistent with the confidentiality aspects.

Reversing the flow: from an integrated system of administrative microdata to an infrastructure for the users, NTTS 2015

9

THANK YOU FOR THE ATTENTION