Data sharing at Deutsche Bundesbank: The House of Microdata

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Presentation transcript:

Data sharing at Deutsche Bundesbank: The House of Microdata Meike Becker and Anja Treffs Deutsche Bundesbank, Statistical Information Management and Mathematical Methods

Why are Microdata relevant? Deutsche Bundesbank collects a wide range of economic data which form the basis for monetary policy decision-making process macroeconomic & macroprudential analyses So far: focus on aggregated data But microdata are needed for: Taking into account the heterogeneity of the statistical units An accurate risk analysis (and implications for financial stability) Assessing the effects of regulatory measures Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Status Quo of Microdata at Deutsche Bundesbank Bundesbank produces a wide range of highly valuable microdata sets Aggregated data: central information system Microdata: silos of data collecting department Microdata Set 1 Microdata Set 2 Microdata Set .. Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Data Quality Assurance Limitations Data Storage No integrated data storage  No linking of data sets possible Data Quality Assurance No standardized data set Documentation No general documentation available No routine update Resources Additional effort & expense by departments due to increase in demand of microdata IMIDIAS: Large-scale initiative aimed at making better use of existing data both, for policy analysis as well as for internal and external researchers Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

IMIDIAS: Integrated MIcroData Information and Analysis System Governance Competence Research Data and Service Center (RDSC) Concept Integrated Data Storage Infrastructure House of Microdata (HoM) Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

The House of Microdata (HoM) IMIDIAS is based on an integrated microdata warehouse: House of Microdata (HoM) HoM is part of the existing statistical infrastructure for aggregated data at Deutsche Bundesbank Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Data Diversity Requires Standardisation Microdata Set 2 Microdata Set 3 Microdata Set 1 Microdata Set 4 House of Microdata Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

SDMX = Statistical Data and Metadata Exchange International initiative aimed at standardising data exchange between international organisations and their member countries Sponsor organisations: BIS, ECB, EUROSTAT, IMF, OECD, UN and Worldbank ISO-Standard since 2005 (17369:2005) Used as information model for IMIDIAS Source:sdmx.org Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Government statistics (GST) Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe leading to systematic and self-explanatory indicator keys ("core" of the SDMX) SDMX-Key: GST:A:AT:N:B0MFI:MAL:B1300:SA:H Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe leading to systematic and self-explanatory indicator keys ("core" of the SDMX) Data Set Identifier SDMX-Key: GST:A:AT:N:B0MFI:MAL:B1300:SA:H Interpretation: No Description Key Explanation Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe leading to systematic and self-explanatory indicator keys ("core" of the SDMX) SDMX-Key: GST:A:AT:N:B0MFI:MAL:B1300:SA:H Interpretation: No Description Key Explanation Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe leading to systematic and self-explanatory indicator keys ("core" of the SDMX) SDMX-Key: GST:A:AT:N:B0MFI:MAL:B1300:SA:H Interpretation: No Description Key Explanation Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Government statistics (GST) SDMX in a nutshell Frequency Reference Area Adjustment Creditor sector ESA item Debtor sector Valuation Government statistics (GST) describe leading to systematic and self-explanatory indicator keys ("core" of the SDMX) SDMX-Key: GST:A:AT:N:B0MFI:MAL:B1300:SA:H Interpretation: No Description Key Explanation Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Added value of SDMX Harmonization & Standardisation: Uniform codelists & concepts form the basis for linking the different datasets Classification System  efficient search in databases Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

The House of Microdata Generic approach: HoM can be used for any kind of data sets (statistical and non-statistical data, aggregated and microdata) Multidimensional approach: By using uniform code lists, SDMX offers an ideal means of linking and comparing data from different sources Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Using the Power of the SDMX Information Model SDMX landscape Analysis Software Data Securities (ISIN) Securities holdings Securities Emissions Interest rates Bank Lending Survey Profit and Loss Balance Sheet Items International Investment Position (securities) Banks Non financial institutions Interest rates Banks Balance Sheet Items Master data Set of rules to link HoM data sets and to form larger cubes for analysis Data Integration Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Conclusion IMIDIAS = Integrated MIcroData Information and Analysis System Initiative for bankwide data sharing House of Microdata (HdM) common platform for data sharing Integrated Data Storage SDMX as common information model  Standardization & harmonization IMIDIAS enables better use of existing data both, for policy analysis as well as for internal and external researchers Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016

Thank you for your attention! Deutsche Bundesbank Statistical Information Management and Mathematical Methods meike.becker@bundesbank.de anja.treffs@bundesbank.de Meike Becker & Anja Treffs, Deutsche Bundesbank CESS Budapest, 20 October 2016