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Fink, Martina
Segalla, Esther
Weber, Andrea
Zulehner, Christine
Year of Publication: 
Series/Report no.: 
NRN Working Paper, NRN: The Austrian Center for Labor Economics and the Analysis of the Welfare State No. 1004
This paper demonstrates how firm information can be extracted from administrative social security records. We use the Austrian Social Security Database (ASSD) and derive firms from employer identifiers in the universe of private sector workers. To correctly pin down entry end exits we use a worker flow approach which follows clusters of workers as they move across administrative entities. This procedure enables us to define different types of entry and exit such as start-ups, spinoffs, closures, or take-overs. We show that our firm definition results in a demography which is comparable to official statistics of firm registers. The resulting database, covering the period of 1976 to 2006, is a valuable resource for future research on industry evolution in Austria.
administrative data
definition of firms
entry and exit types
worker flows
Document Type: 
Working Paper

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