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...

Typically, laboratory experiments suffer from homogeneous subject pools and selfselection 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...

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...