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...

Using a unique dataset we study both the actual and self-perceived relationship between subjective well-being and income comparisons against a wide range of potential comparison groups, enabling us to investigate a broader range of questions than in previous studies. In questions inserted into a...

In questions inserted into the 2008 module of the German-Socio Economic Panel we ask subjects to report their income relative to different reference groups, such as fellow employees, other people in their profession, same age and same gender groups, friends, and neighbours. In addition subjects...

Umweltforschung und Umweltschutz sind keineswegs nur Gegenstand der Naturwissenschaften, sondern empirische Sozial- und Wirtschaftswissenschaften und haben in diesem Problemfeld auch ihren wichtigen Platz. Die entsprechende empirische Forschung dient vor allem zwei Zwecken: zum einen der...