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Date
3 février 2022
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- doi: 10.3886/ICPSR37782.v1
- 37782
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United States. Bureau of the Census, « (Restricted) LEHD Successor-Predecessor File (SPF) », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR37782.v1
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The Successor-Predecessor File (SPF) is a suite of files providing intertemporal flow-based links based on wage records and administrative links. The file is not fully documented, researchers are advised to use the file with caution.