This paper discusses how household panels in general?and the German Socio- Economic Panel (SOEP) in particular?can serve as reference data for researchers collecting datasets that do not represent the full universe of the population of interest (e.g., through clinical trials, intervention...

The assessment of cognitive abilities is critical in large-scale survey studies that aim at elucidating the longitudinal interplay between the individual's cognitive potential and socio-economic variables. The format of such studies calls for assessment methods which can not only be administered...

The DFG's (German Research Foundation) strategy for future data research infrastructures should be based on what has been achieved thus far and the lessons that can be learned: First, the focus should be on "providing data" rather than on "sharing data." Second, projects whose primary purpose is...

International migration of people is a momentous and complex phenomenon. Research on its causes and consequences, requires sufficient data. While some datasets are available, the nature of migration complicates their scientific use. Virtually no existing dataset captures international migration...