Map Intersection Based Merging Schemes for Administrative Data Sources and an Application to Germany


Arntz, Melanie ; Wilke, Ralf A.


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URL: http://ub-madoc.bib.uni-mannheim.de/955
URN: urn:nbn:de:bsz:180-madoc-9553
Document Type: Working paper
Year of publication: 2005
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: C49 R10 C89 ,
Subject headings (SWD): Deutschland , Daten , Quelle , Arbeitsamt
Abstract: In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on the area size of intersections between both regional entities. Estimates of intersection areas are derived from a digital map intersection. The theoretical framework derives conditions for the unbiasedness of estimated intersections and merging rules. The paper also presents conditions under which the choice of merging rule does not matter and illustrates the theoretical results with a simulation study. An application to German counties and federal employment office districts illustrates the applicability of the approach. It delivers merging schemes for regional data sources of the federal German statistical office and of the federal German employment office.
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Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.




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Arntz, Melanie ; Wilke, Ralf A. (2005) Map Intersection Based Merging Schemes for Administrative Data Sources and an Application to Germany. Open Access [Working paper]
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