Die Anwendung der Ziffernanalyse zur Überprüfung von Kassenbelegen ist grundsätzlich möglich. Im Rahmen dieser Arbeit wurde gezeigt, dass die letzten und nicht die ersten Ziffern einer Zahl entscheidend sind.Weiterhin wurden die Voraussetzungen für die Anwendung der Ziffernanalyse auf Basis...

A new algorithm for clustering life course trajectories is presented and tested with large register data. Life courses are represented as sequences on a monthly timescale for the working-life with an age span from 16–65. A meaningful clustering result for this kind of data provides interesting...

Register data are known for their large sample size and good data quality. The measurement accuracy of variables highly depends on their high importance for administrative processes. The education variable in the IAB employment sub-sample is an example for information that is gathered without a...

The European Research Center for Information Systems (ERCIS) was founded on October, 12th 2004. This Working Paper was written with respect to the establishment of ERCIS. Jörg Becker, Managing Director of the ERCIS, writes about fundamental issues of ERCIS. Furthermore all Founding Members...