The use of administrative data sources (experience and challenges)

CZECH STATISTICAL OFFICENa padesátém 81, CZ - 100 82 Praha 10, Czech Republic

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The use of administrative data sources The use of administrative data sources (experience and challenges)(experience and challenges)

Jan FischerJan FischerIAOS Conference, Shanghai, 14-16 October, 2008IAOS Conference, Shanghai, 14-16 October, 2008


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A.A. Administrative data for statistical purposes Administrative data for statistical purposes

B. Activities of the CZSO in the field of using B. Activities of the CZSO in the field of using

administrative data for statistical purposesadministrative data for statistical purposes

C. ConclusionsC. Conclusions

ContentContent


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A. Administrative data for statistical A. Administrative data for statistical purposes purposes


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What are administrative sources?What are administrative sources?

„„Administrative sources are sources containing information Administrative sources are sources containing information

that is not primarily collected for statistical purposesthat is not primarily collected for statistical purposes““..

(EUROSTAT, BR Manual Recommendation, Ch 20).(EUROSTAT, BR Manual Recommendation, Ch 20).

In statistics administrative sources are used In statistics administrative sources are used mainly for:mainly for: replacement of data collectionreplacement of data collection reduction of sample designreduction of sample design editing and imputation of variablesediting and imputation of variables improvement of sample design and imputationimprovement of sample design and imputation data checking/verification and estimation data checking/verification and estimation improving data qualityimproving data quality


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Incentives for using administrative dataIncentives for using administrative data

Demands on high Demands on high quality statisticsquality statistics

New phenomenaNew phenomenaand stakeholdersand stakeholders

Increasing burden Increasing burden on respondentson respondents

Declining response Declining response raterate

Stable / Decreasing Stable / Decreasing budget of NSIsbudget of NSIs

Substitution of Substitution of census surveyscensus surveys

Development of IT Development of IT and matching methand matching meth..

Improvement of Improvement of data protectiondata protection

Growing interest of Growing interest of NSIs in using NSIs in using administrative administrative

sourcessources


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Pros and cons of administrative sourcesPros and cons of administrative sources

PROS:PROS:

usually inexpensive inexpensive good coverage good coverage reduction of response burden (costs)reduction of response burden (costs)

CONS:CONS:

initial investments initial investments legal obstacleslegal obstacles changes of concepts, definitions, classificationschanges of concepts, definitions, classifications


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B. CZSO activities in the field of B. CZSO activities in the field of using administrative data for using administrative data for

statistical purposesstatistical purposes


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HistoryHistory

1.1. Transformation process Transformation process – implementation of statistical requirements – implementation of statistical requirements via extension of statistical surveysvia extension of statistical surveys

2.2. End of the 90sEnd of the 90s – growing interest in using administrative data due to: – growing interest in using administrative data due to:

increasing number of SMEs,increasing number of SMEs, replacement of censuses by samples,replacement of censuses by samples, introduction of estimation techniques,introduction of estimation techniques, non-response,non-response, necessity to fully harmonise business statistics with EUnecessity to fully harmonise business statistics with EU declining quality of datadeclining quality of data

3. 3. First experienceFirst experience – using administrative data for updating of Business – using administrative data for updating of Business RegisterRegister


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Legal provisionsLegal provisions

Act no. 89/1995 Coll., on the state statistical serviceAct no. 89/1995 Coll., on the state statistical service

§ 9. The use of administrative data sources § 9. The use of administrative data sources

Authorities performing the State Statistical Service use data acquired or Authorities performing the State Statistical Service use data acquired or collected by Ministries and other administrative authorities under special Acts. collected by Ministries and other administrative authorities under special Acts. Ministries and other administrative authorities are bound to provide them with Ministries and other administrative authorities are bound to provide them with the necessary data on their request on time and free of charge unless the necessary data on their request on time and free of charge unless otherwise stated by this Act. otherwise stated by this Act. Bilateral agreements with administrators Bilateral agreements with administrators (e.g. Ministry of Finance, General Directorate of Customs, Ministry of (e.g. Ministry of Finance, General Directorate of Customs, Ministry of Environment, territorial governments etc.)Environment, territorial governments etc.)


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Mission, vision, strategic goals and sub-goalsMission, vision, strategic goals and sub-goals

Goal: Optimizing respondents’ burden, keeping up quality of outputsGoal: Optimizing respondents’ burden, keeping up quality of outputs

Sub-goal: Raising share of using administrative data sources. Sub-goal: Raising share of using administrative data sources.

Strategies and means:Strategies and means:

Using administrative data sources instead of data collection or for verification of Using administrative data sources instead of data collection or for verification of data from surveysdata from surveys

Using administrative data sources as a tool for enhancing quality of statistical Using administrative data sources as a tool for enhancing quality of statistical registers registers

Standardizing contents of nomenclatures including their linksStandardizing contents of nomenclatures including their links

Guiding public administration towards administrative registers that can be used Guiding public administration towards administrative registers that can be used for statistical purposes for statistical purposes

Co-operating with offices in charge of administrative data sources to increase Co-operating with offices in charge of administrative data sources to increase relevancy (coherence) of administrative data for statistical purposesrelevancy (coherence) of administrative data for statistical purposes


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Priority task for 2008Priority task for 2008

Goal: Using of new administrative data from the Ministry of Finance Goal: Using of new administrative data from the Ministry of Finance

analysis of using VAT declarations data for STSanalysis of using VAT declarations data for STS

analysis of using VAT declarations for external tradeanalysis of using VAT declarations for external trade

analysis of using income tax declarations and accounting statements for analysis of using income tax declarations and accounting statements for

SBS, STS, external trade, Business Register and sample designSBS, STS, external trade, Business Register and sample design

preparation of specifications for data transmission and processing preparation of specifications for data transmission and processing

using Ministry of Finance data as important part of the philosophy and using Ministry of Finance data as important part of the philosophy and

architecture of the new Statistical Information System (SIS Model 2008) architecture of the new Statistical Information System (SIS Model 2008)


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Main objectives (as regards using of administrative sources):Main objectives (as regards using of administrative sources): integration of statistical methods and tools, simplification ofintegration of statistical methods and tools, simplification of statistical statistical

survey system and increase of the share of administrative data usedsurvey system and increase of the share of administrative data used

building new statistical information system with the task to minimize building new statistical information system with the task to minimize statistical surveys by using already known datastatistical surveys by using already known data

examination of available administrative data becomes examination of available administrative data becomes an integral partan integral part of statistical projectof statistical projects s preparation preparation

SISSIS subsystems subsystems „„inputsinputs““ and and „„registersregisters““ are the main blocks in the are the main blocks in the overall architecture of the system that concentrate on the treatment of overall architecture of the system that concentrate on the treatment of administrative data sourcesadministrative data sources

Modernisation of Statistical SystemModernisation of Statistical System


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Modernization of Statistical System Modernization of Statistical System (cont.)(cont.)

FROM TO

Single statistical surveysSingle statistical surveys Integrated system of linked Integrated system of linked statistical projects statistical projects

Individual evaluation of Individual evaluation of statistical surveysstatistical surveys

Annual evaluation of whole Annual evaluation of whole system of statistical system of statistical projectsprojects

Statistical outputs Statistical outputs according to statistical according to statistical projectsprojects

Dissemination of statistical Dissemination of statistical outputs via public data outputs via public data marts orientated on topicsmarts orientated on topics

Data stored according to Data stored according to particular projectsparticular projects

Data stored centrally in Data stored centrally in data warehousedata warehouse

Statistical informationStatistical information Statistical information with Statistical information with meta-informationmeta-information


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C. ConclusionsC. Conclusions


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ConclusionsConclusions

using of administrative data has using of administrative data has significant influence on reduction of significant influence on reduction of response burden and data quality, response burden and data quality, verification and estimations (especially in verification and estimations (especially in combination with statistical surveys)combination with statistical surveys)

permanent attention must be paid to the permanent attention must be paid to the quality of administrative sources, their quality of administrative sources, their checking and analysis, comparisons with checking and analysis, comparisons with statistical data observing the consistency of statistical data observing the consistency of inputs and outputsinputs and outputs (problems with (problems with customs data in CR)customs data in CR)


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Conclusions Conclusions (cont.)(cont.)

iintegration in statistical information ntegration in statistical information systems allows more effective use of systems allows more effective use of administrative data in statistical production administrative data in statistical production

co-operation with other parts of the state co-operation with other parts of the state administrationadministration and universities and universities is a necessary is a necessary condition for successful use of administrative condition for successful use of administrative datadata

building building aa new “culture” in our work and new “culture” in our work and better knowledge of better knowledge of data matching methods data matching methods and and their their use are important factors use are important factors oof further f further improvement in the field of the use of improvement in the field of the use of administrative data administrative data


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The use of administrative data sources (experience and challenges)

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