Generation of time-consistent industry codes in the face of classification changes: Simple heuristic based on the Establishment History Panel (BHP)

Johanna Eberle, Peter Jacobebbinghaus, Johannes Ludsteck and Julia Witter
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Johanna Eberle: Institute for Employment Research (IAB), Nuremberg, Germany
Peter Jacobebbinghaus: Institute for Employment Research (IAB), Nuremberg, Germany
Johannes Ludsteck: Institute for Employment Research (IAB), Nuremberg, Germany

No 201105 (en), FDZ-Methodenreport from Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany]

Abstract: "The analysis of FDZ BA data is hampered by changing industry classifications. This report describes two methods to deal with this and provides ready-to-use working tools. The first method is the usage of directional correspondence tables. We create several correspondence tables for the classifications used in our data. The mapping is based on the mode. The quality for each mapping is indicated by the share of correct matches for each value of the base classification. The correspondence tables are supplements to this report. Due to the limitations of correspondence tables we also generate two completed variables for each establishment in our data: w73 (3-digit) and w93 (3-digit). We first extrapolate valid values whenever possible. Then we use correspondence tables to replace further missing values based on available classifications. A large share of the missing values can be replaced. The generated variables are available for our users upon request." (Author's abstract, IAB-Doku) ((en))

Keywords: Bundesrepublik Deutschland; Datenaufbereitung; IAB-Betriebs-Historik-Panel; Klassifikation; Wirtschaftszweige (search for similar items in EconPapers)
Pages: 21 pages
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:iab:iabfme:201105(en)

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