Consumer-generated product reviews have proliferated online, driven bythe notion that consumers’ decision to purchase or not purchase aproduct is based on the positive or negative information about thatproduct they obtain from fellow consumers. Using research on informationprocessing as a...

In this paper we axiomatically characterize two recursive procedures for defining a social group. The first procedure starts with the set of all individuals who are defined by everyone in the society as group members, while the starting point of the second procedure is the set of all individuals...

Die vorliegende Arbeit gliedert sich in zwei Teile. Der erste Teil widmet sich der Fragestellung inwiefern formelle Gruppeneigentumsrechte Herkunftsgemeinschaften vor unautorisierten Verwendungen ihrer traditionellen kulturellen Ausdrucksweisen (TKAs) schützen können. Kapitel 2 und 3 führen...