A model where a portion of the population participates in illegal activities is developed. The propensity to participate in crimes depends on the probability and the opportunity cost of beingarrested. The government can influence these variables by law enforcement expenditures and by social...

Despite the attention that strategic change as a topic of research has received, there remainconsiderable difficulties in conceptualizing the actual sources of strategic change. Using theconcept of strategic episodes, this paper develops an endogenous theory of change, where thesources of change...

In this paper Luhmanns concept of autopoietic social systems will be explained. Redaktion EconBiz]

This paper explores the form and function of organisational interactions from the perspective of Luhmanns Theory of Social Systems.