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Implementation of NACE Rev. 2 at the national level Norbert Rainer. Content. Implementation plan Coordination Communication National version of NACE Rev. 2 Recoding and double coding of the units in the business register Implementation in the statistical domains. Implementation plan.

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Implementation of NACE Rev. 2 at the national level Norbert Rainer

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Implementation of nace rev 2 at the national level norbert rainer

Implementation of NACE Rev. 2

at the national level

Norbert Rainer

statistik.at


Implementation of nace rev 2 at the national level norbert rainer

Content

  • Implementation plan

  • Coordination

  • Communication

  • National version of NACE Rev. 2

  • Recoding and double coding of the units in the business register

  • Implementation in the statistical domains


Implementation of nace rev 2 at the national level norbert rainer

Implementation plan

  • National implementation plan based on European implementation plan (legal basis)

  • Additional national requirements, e.g.

    • longer back-casted time-series

    • more details

    • double-reporting for national accounts

  • Special attention

    • financial and

    • human resources

    • national legislation

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Implementation of nace rev 2 at the national level norbert rainer

Coordination

  • Establishing of a project working group dealing all steps of the implementation process

    • including all relevant organisational units of the national statistical institute, also EDP units

    • regular meetings

  • Tasks of the implementation group: Coordination in

    • developing general implementation concepts and plans for all domains

    • considering adaptations of legislation

    • monitoring implementation process

    • contacting external institutions (data suppliers)

    • reporting to the management

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Implementation of nace rev 2 at the national level norbert rainer

Communication

  • Communication to the data suppliers

    • administrative registers

    • enterprises and other institutions

  • Communication to theusers

    • ministries and other administrations

    • research institutes

    • professional organisations

    • general public

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Implementation of nace rev 2 at the national level norbert rainer

National version of NACE Rev. 2

  • EU legal basis: NACE Rev. 2 Regulation (Article 4)

    • national classification may introduce additional headings and levels

    • each level shall consists

      • either of the same headings as the corresponding NACE Rev. 2 level or

      • headings constituting an exact breakdown thereof

    • a different coding may be used

    • national versions to be approved by the Commission (conformity check)

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Implementation of nace rev 2 at the national level norbert rainer

National version of NACE Rev. 2

  • Reasons for a national version:

    • Language version / translation

    • Adaptations and additions to the explanatory notes

    • Alphabetical index

    • National publication and database

    • National subdivisions

  • Concepts of a national version

    • Kinds of subdivisions / levels

    • Coding

    • Activity areas

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Implementation of nace rev 2 at the national level norbert rainer

National version of NACE Rev. 2

  • Analysis of current national version

  • User needs

  • Criteria for national subclasses

    • size / importance

    • conceptually meaningful

      • recognisable activity

      • conceptually sound

      • easy to identify

      • increasehomogeneity

  • Implementation in the various statistical domains

statistik.at


Implementation of nace rev 2 at the national level norbert rainer

Recoding and double coding of

the units in the business register

  • Recoding

    • all types of units in the business register

    • with their main and secondary activities

      • to be finalised before / in 2008

  • Double coding

    • units in the business register

    • are simultaneously coded by NACE Rev. 2 and NACE Rev. 1.1

      • for a certain period of time (Austria: 2008-2010)

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Implementation of nace rev 2 at the national level norbert rainer

Recoding and double coding of

the units in the business register

  • Categories of correspondences:

  • One old code corresponds exactly to one new code

  • Two or more old codes correspond together to exactly one new code

  • One old code splits into two or more new codes

  • Two or more old codes correspond together to two or more new codes

(1 to 1)

( n to 1)

( 1 to n)

( n to m)

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Types of correspondences

Types of correspondences

  • 1-to-1 correspondences: 195 classes in NACE Rev. 1.1 correspond exactly to one class in NACE Rev. 2 and vice-versa;

  • n-to-1 correspondences: 86 cases, where two or more classes in NACE Rev. 1.1 correspond to one class in NACE Rev. 2;

  • 1-to-n correspondences: 18 cases, where one NACE Rev. 1.1 class is split into two or more classes in NACE Rev. 2;

  • n-to-m correspondences: 215 cases, where two or more classes in NACE Rev. 1.1 correspond to two or more classes in NACE Rev. 2.


Implementation of nace rev 2 at the national level norbert rainer

Recoding and double coding of

the units in the business register

  • To be elaborated for each current class (subclass):

  • Automatic recoding because of 1 : 1 and n : 1

  • Automatic recoding because of defacto 1 : 1

  • Recoding by using information from production statistics (Prodcom survey)

  • Recoding by using information from other statistical surveys

  • Recoding by use of information from branch specialists

  • Recoding by using external information

  • Recoding by using yellow pages, internet or similar sources

  • Remaining classes / subclasses? (single codes or parts of single codes)

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Implementation of nace rev 2 at the national level norbert rainer

Recoding and double coding of

the units in the business register

  • Methods for recoding of those units for which no information on their detailed activity is available

    • Surveys

      • specific surveys

      • attached / integrated to existing surveys

    • Probabilistic conversion methods

      • based on correlation matrices

      • only advisable for small units with low impact on statistical output

statistik.at


Implementation of nace rev 2 at the national level norbert rainer

Recoding and double coding of

the units in the business register

  • Dual coding:

  • Period in which all units are classified according to old and new classification

  • Length of dual coding period

  • Changes of the activity of a unit means changes of both the old and new code

  • New units to be classified according to new and old code

statistik.at


Implementation of nace rev 2 at the national level norbert rainer

Implementation in the statistical domains

  • Currently the main issue in the implementation process after having prepared:

    • National version of NACE Rev. 2: finalised in 2007

    • Recoding of the units in the business register: finalised end of 2007

    • Double coding of the units: 2008 – 2010

    • Quality checks of the new coding by informing all the enterprises a their new NACE code: finalised autumn 2008

  • According to the implementation plan the first reference years with data based on NACE Rev. 2 ranged from 2008 to 2010

  • The process of the implementation was finished in 2011

  • statistik.at


    Guidelines and tools

    Guidelines and tools

    A set of four handbooks and a glossary provide an overview of the implementation project and highlight the main aspects to take into consideration:

    • Setting up the implementation plan for NACE Rev. 2in the NSI: s

    • Implementation of NACE Rev. 2 in the Business Registers

    • Methodological aspects related to sampling designs and weights estimations

    • Back casting

    • Glossary of terms

    statistik.at


    Implementation of nace rev 2 at the national level norbert rainer

    Guidelines and tools

    • Eurostat Handbook: Setting up an implementation plan for NACE Rev. 2 in National Statistical Institutes

      • National versions of NACE Rev. 2

      • Implementation of NACE Rev. 2 in the Business Register

      • Implementation of NACE Rev. 2 in statistical domains

      • Other implementation issues:

        • Communication plan

        • Adaptation of national legislation

    statistik.at


    Implementation of nace rev 2 at the national level norbert rainer

    Guidelines and tools

    • Eurostat Handbook: Implementation of NACE Rev. 2 in Business Registers

      • Analysis of changes (correspondence table)

      • Internal of external sources for the recoding

      • Methods for recoding

      • Quality issues

      • Treatment of errors

      • Dual coding

    statistik.at


    Implementation of nace rev 2 at the national level norbert rainer

    Guidelines and tools

    • Eurostat Handbook: Methodological aspects related to sampling designs and weights estimations

      • Sampling under the new NACE

      • Methods of sampling and estimation to produce estimates simultaneously both by new and old classification

    statistik.at


    Implementation of nace rev 2 at the national level norbert rainer

    Guidelines and tools

    • Eurostat Handbook: Backcasting

      • Micro-data approach

      • Proportional approach based on conversion matrices

      • Combined approaches

      • Practical examples

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