Trust is a concept that has attracted - significant attention in economic theory and research within the last two decades: it has been applied in a number of contexts and has been investigated both as an explanatory and as a dependent variable. In this paper, we explore the questions of what...

This article is a meta-analysis of 99 German population surveys from the GESIS Data Archive, containing the postmaterialism question. Using multi-level modelling, it demonstrates that the share of postmaterialists varies significantly between the surveys when controlling for respondents' year of...

The Berlin Aging Study II (BASE-II) is a multidisciplinary study that allows for the investigation of how a multitude of health status factors as well as many other social and economic outcomes interplay. The sample consists of 1,600 participants aged 60 to 80, and 600 participants aged 20 to...

Tipping is a multi-billion dollar phenomenon and a major source of income for millions of workers. The results of a study conducted in the US and Israel suggest that people tip mainly to show gratitude, conform to the social norm, and because they know that waiters' income depends on tips....

Trust is a concept that has attracted significant attention in economic theory and research within the last two decades: it has been applied in a number of contexts and has been investigated both as an explanatory and as a dependent variable. In this paper, we explore the questions of what...

This paper introduces a conceptual framework for the systematic analysis of multitasking behavior, and the corresponding degree of preference for doing multiple activities simultaneously (polychronicity). A typology of multitasking is developed along the two dimensions “share of time” and...

I discuss the measurement of world poverty and inequality, with particular attention to the role of purchasing power parity (PPP) price indexes from the International Comparison Project. Global inequality increased with the latest revision of the ICP, and this reduced the global poverty line...

Large representative surveys are using mixed methods to an ever-increasing degree. Biomarkers, register data, and experiments, for example, provide different types of data that can be linked with survey data. The use of qualitative interviewing of participants in longitudinal surveys is still...

The Berlin Aging Study II (BASE-II) is a multidisciplinary study that allows for the investigation of how a multitude of health status factors as well as many other social and economic outcomes interplay. The sample consists of 1,600 participants aged 60 to 80, and 600 participants aged 20 to...