This course provides an insight into the Circular Economy (CE) concept and its modes of implementation at the (1) governmental and (2) the corporate level. The former focusses on the CE development in mainland China, Hong Kong, Germany, Japan and the European Union, while the latter will investigate CE business concepts as well as their application in selected cases. In terms of theories and methods, this course introduces (1) institutional (rule-based) change concept, (2) the dynamics of stakeholder interests (competition vs cooperation) and (3) concepts from waste management, industrial symbiosis as well as CE relevant concepts.