The paper handles central topics of social system theory, such as contingency,emergence, communication, reality construction based on cognitive epistemology, and differential logic. The conducted discussion is embedded in the construction of a hermeneutic approach to social system theory....

The overall ‘social system-perspective on firms and organizations points out the role of ‘communication’ as the decisive construction tool for a social system. However, this point of view in the tradition of Niklas Luhmann, neglects the concrete transfer of systemic principles into the...

The discrepancy between popular impressions of how the 2002 changeover to the euro affected prices and its actual impact is perhaps the most surprising consequence of the single currency’s introduction. Following the changeover, perceived inflation rose significantly and returned to its...