Typically, laboratory experiments suffer from homogeneous subject pools and self-selection biases. The usefulness of survey data is limited by measurement error and by the questionability of their behavioral relevance. Here we present a method integrating interactive experiments and...

This paper shows that the measurement of hand grip strength provides a non-invasive and reliable objective health indicator for social science research and is easy to collect in general population surveys. Grip strength is not only a useful complement of self-reported indicators of health, but...

This paper examines the implication of the move to CAPI for data quality by analyzing the conversion from PAPI to CAPI of a subsample of the German Socio-Economic Panel (SOEP) which was done within an experimental design. The 2000 addresses for the sample E of SOEP were split into two subsamples...

The availability of panel data on the basis of micro data has become an indispensable component of the infrastructure of empirically oriented social scientists and economists. This is also a consequence of the fact that, for a panel survey, the quality of both content and methodological analyses...

We investigate how worries in Germany change across time and age, drawing on both closed-ended questions (which typically list a number of worry items) and open-ended questions answered in text format. We find that relevant world events influence worries. For example, worries about peace peaked...

Im vorliegenden kleinen Aufsatz werden der Geschichte der deutschen Wiedervereinigung 1990 drei „Fußnoten“ angefügt. Zu den Themen „Abschätzung der Produktivität der DDR-Wirtschaft“, „Dauer des Aufholprozesses der Neuen Bundesländer“ und „Rentenangleichung“. Anschließend...

It is striking that economists in particular firmly believe in the benefits of rule-binding, even though this belief runs counter to the standard assumption of economic theory that we humans are self-interested and therefore extremely resourceful when it comes to circumventing inconvenient...

Für das im Jahr 2025 stattfindende 100-jährige Jubiläum des DIW Berlin und dessen Geschichte ist die hier vorgelegte Dokumentation eines 1999 geführten Gesprächs zwischen den ehemaligen DIW-Abteilungsleitern Fritz Franzmeyer und Reinhard Pohl einerseits und Gert G. Wagner andererseits von...

This paper presents new evidence on the distribution of risk attitudes in the population, using a novel set of survey questions and a representative sample of roughly 22,000 individuals living in Germany. Using a question that asks about willingness to take risks on an 11-point scale, we find...

The article discusses the conflict of goals between fair compensation for performance and equitable support based on need in modern welfare states, which is a subject of controversy in various disciplines. It answers the question of the extent to which this policy problem of modern welfare...