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Access to Microdata

Access to Microdata. Felix Ritchie Business Data Linking. ONS’ approach to microdata. More confidential, more secure. Special licence. No release. Virtual microdata laboratory. UKDA. Web. Business data, Census data. Census, health data. Aggregate data. Not anonymised. GHS.

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Access to Microdata

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  1. Access to Microdata Felix Ritchie Business Data Linking

  2. ONS’ approach to microdata More confidential, more secure Special licence No release Virtual microdata laboratory UKDA Web Business data, Census data Census, health data Aggregate data Not anonymised GHS Less confidential, easier access

  3. E-procurement in Manufacturing Businesses VA/ employee (£) Source, ONS 2000 ABI

  4. Company minimum wage Figure 7: Company minimum wage for all companies

  5. Multinational Effect in Manufacturing

  6. Lots of data to share... • Annual Respondents Database 73-04 • production 73-04 construction 93-04 services 97-04 • NES 86-03 & NESPD 75-03, ASHE 1997-2005 • Annual Inquiry into FDI 96-02 • eCommerce Survey 2000-4 • Annual and Quarterly Investment surveys 98-02 • Business Expenditure on R&D et cetera... • plus OGD surveys • ESS, LTW, CIS. WERS financial and WERS/ARD

  7. …but the downside: • access limited to ONS sites • datasets large, unwieldy, complex, inconsistent • delays in developing documentation

  8. Research Use of Disclosive Data • Purpose of the research • Statistical and not administrative • For “ONS benefit” • Limits on data use • Restricted access outside ONS • Disclosure control of all results before release off-site • Benefits of use • Gets more out of existing data sources for • ONS - research and quality improvement • Government – increasing importance for evidence-based policy making • Academia/NGOs – fulfilling ONS’ public service remit

  9. Four (plus one) safety levels • safe projects • safe people • (safe data) • safe settings • safe kit • safe places • safe outputs protection against deliberate disclosure protection against accidental disclosure

  10. safe projects • statistical not administrative use • for “ONS Benefit” • no private benefit • no conflict of interest

  11. safe people • Civil servants covered by a Ministerial Direction • Academics employed by an approved institution • universities • research institutes • In principle: PhD students • Under trial: • private profit-making companies • Foreign researchers • Not at all: private individuals  building precedents

  12. safe settings - the BDL virtual data lab Secure lab Researcher BDL staff Data read only work area read-write Logs in to server only screen shots, no data Direct access to server Output Input automatic transfer archiving of all transfers Input Output

  13. Safe outputs – disclosure control • All on-site researchers required to undergo training programme • 30 minutes legal background • 10 minutes lab use • 80 minutes SDC • 12-page SDC- Rules Explained • All under continuous development • Internal sources – improving our responsiveness • External sources – new issues arising

  14. Part II ONS datasets

  15. Data structure enterprise local unit Enterprise group local unit reporting unit local unit local unit

  16. Sampling structure Firm structure Sampling structure

  17. Datasets

  18. contact details The BDL team: Address: Business Data Linking Office for National Statistics 1 Drummond Gate London SW1V 1QQ 0207 533 5975/5286 bdl@ons.gov.uk Newport: Felix Ritchie London: Gian Fazio Emma Edworthy Katherine Lam Joseph Robjohns

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