Access to environmental microdata in Germany IAOS Conference, Chile, 2010 Markus Zwick Federal Statistical Office Germany

Slide 2 Overview -Access to environmental data -Research Data Centers (RDC) in Germany -Official Firm Data for Germany (AFiD)

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Slide 6 -interface organization between data producers and empirical science -consulting and service for the use of official microdata -possibility for access to microdata with low anonymisation level Research Data Centers in Germany

Slide 7 -better access for the empirical science to microdata which was created with public funds -this is a part of the ‚freedom of research‘ in the Basic Law for the Federal Republic of Germany Main Goal of the Research Data Centers

Slide 8 complete microdata confidential microdata de-facto anonymised microdata delete direct identifier anonymisation method Degree of confidentiality Degree of analysis potential Level of Anonymisation stronger anonymisation method fully anonymised microdata

Slide 9 German Microdata: Information Content and Degree of Anonymisation Individual dataInformation contentForm of access not anonymousfull information contentno access formally anonymous no direct identifiers such as name and address complete analysis content controlled remote data processing de facto anonymous information reduced until effort of deanonymisation greater than benefit medium analysis content Data laboratories Scientific Use Files absolutely anonymous information reduced until it can no longer be ascribed to respondents as far as it is possible to judge -low analysis content Public Use Files CAMPUS Files

Slide 10 /en/index.asp Access to microdata of the Statistical Office in Germany

Slide 11 portal/microdata/introduction Access to European microdata

Slide 12 Official Enterprise and Environmental Data for Germany (AFiD)

Slide 13 Ambitions: - Development of an extensive treasure of data about units and enterprises in Germany - Merging of economic and environmental microdata for longitudinal analyses and - Integration of these datasets using the business register AFiD

Slide 14 Module Water Supply and Wastewater Disposal: - Analyses concerning environmental features like water usage or recycling acitivities in the establishment in connection with economic issues derived from AFiD-Panel Industrial Units - Analyses concerning product-related consumption of water and resources Environmental Modules

Slide 15 Module Environmental Protection Expenditures: - Can be combined with the AFiD-Panels Industrial Units or Industrial Enterprises - Amount, structure and developments of environmentally related investments linked to information from the panel data sets can be examined Environmental Modules

Slide 16 Module Environmental Protection Commodities: - Covers details to goods, construction works and services for environment protection purposes - Can be combined with the AFiD-Panels Industrial Units to analyse a multitude of economic issues Environmental Modules

Slide 17 ESSnet project: „Decentralised access to EU microdata sets“ -feasibility Study of setting up a network of Safe-Centres -ways of access to microdata throughout EU-countries international Partners: Office for National Statistics, UK; Statistics Netherlands Institution Nazionale di Statistica Italy; Hungarian Central Statistical Office;German Federal State, NRW Project leading: Federal Statistical Office Germany

Slide 18 Thank you for your attention Markus Zwick Federal Statistical Office Germany