This experimental study asks whether generosity decreases emotional distance, a question pertinent to human service quality. Highly vulnerable service recipients may not enforce quality standards. Quality can then be viewed as an act of generosity, a gift from the provider to the recipient. For...

Die Armutsquote in Deutschland hat ein Rekordhoch erreicht. Die verheerenden Auswirkungen erlebt Cansin Köktürk bei ihrer täglichen Arbeit als Sozialarbeiterin hautnah: In Kitas, in Schulen, in der ambulanten Jugendhilfe, in Notunterkünften und in den Städten, die am stärksten davon...

This dissertation comprises of three independent essays which introduce novel psychologically inspired process models and examine their implications for individual, collective or market behavior. The first essay studies multi-attribute choice as a guided process of search. It puts forward a...

There is by now ample evidence from laboratory experiments that individuals exhibit "prosocial" or "other-regarding" preferences. However, a key question is whether the importance of other-regarding preferences documented in the laboratory can be readily generalized to draw conclusions about the...