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The Longitudinal Administrative Databank (LAD) and the Longitudinal Immigration
Database (IMDB): Building the LAD_IMDB - a technical paper
Abstract
This paper describes the structure and linkage of two databases: the Longitudinal
Administrative Databank (LAD), and the Longitudinal Immigration Database (IMDB).
The combined data associate landed immigrant taxfilers on the LAD with their
key characteristics upon immigration. The paper highlights how the combined
information, referred to here as the LAD_IMDB, enhances and complements the
existing separate databases. The paper compares the full IMDB file with the
sample of immigrants to assess the representativeness of the sample file.
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