Understanding the sources of individual differences beyond social and economic effects has become a research area of growing interest in psychology, sociology, and economics. A quantitative genetic research design provides the necessary tools for this type of analysis. For a state-of-the-art...

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...

Numerous people in Germany, including politicians and researchers, believe that the gross domestic product (GDP) is an outdated indicator of a society’s prosperity. Therefore, at the end of 2010, the German Bundestag, the federal parliament, established a study commission (Enquete-Kommission)...

Background: The National Cohort (NaKo) will be one of the largest cohort studies in Europe to include intensive physical examinations and extensive information about the socio-demographic background and behavior of the subjects. However, regional selectivity of the study and potential learning...