This paper explores the KiwiSaver information contained in two sources: the administrative data from the Inland Revenue Department (IRD) and the Survey of Family, Income and Employment (SoFIE). In particular, the paper explores the membership and contribution information, explaining significant...

While Business Intelligence (BI) initiatives have been a top-priority of CIOs around the world for several years, accounting for billions of USD of IT investments per annum (IDC), academic research on the actual benefits derived from BI tools and the drivers of these benefits remain sparse. This...

This paper focuses on fraud detection in surveys using Socio-Economic Panel (SOEP) data as an example for testing newly methods proposed here. A statistical theorem referred to as Benford's Law states that in many sets of numerical data, the significant digits are not uniformly distributed, as...

Die Coronakrise hat den Bedarf an schnell verfügbaren Daten zur Beschreibung der aktuellen wirtschaftlichen Lage stark ansteigen lassen. Dazu zählen auch Informationen zu kurzfristigen Entwicklungen auf dem Arbeitsmarkt. Das Statistische Bundesamt befasst sich bereits seit einiger Zeit damit,...

Der Bedarf an schnell verfügbaren Daten zur kurzfristigen Entwicklung des Arbeitsmarktes steigt. Das Statistische Bundesamt analysiert diesbezüglich bereits seit Jahren das Potenzial von Online-Stellenanzeigen. Insbesondere in Projekten des "ESSnet Big Data" wurden verschiedene...

Linking data from different sources can be used to compensate for the weaknesses characteristic for the single sources and therefore significantly increase the potential for analyses. This requires that linking data implies no consequences that cancel out the advantages. Considering this...

The IAB Establishment Panel was launched to obtain information on the demand side of the labor market. This data meets two requirements: providing high quality data for the scientific aims and having an information system for policy makers and practitioners. As it started in 1993 a rich data set...

Income is an important correlate for numerous phenomena in the social sciences. But many surveys collect data with just a single question covering all forms of income. This raises issues of quality, and these are heightened when individuals are asked about the household total rather than own...