2007b: 115 ff.; Jansen 2007c: 236 ff.). Governance patterns here means a chain of interconnected mechanisms which can be observed empirically. Governance p- terns can be roughly de?ned as complex regulatory structures coordinating the actions of interdependent actors . Governance patterns can relate to hierarchical as well as to lateral coordination mechanisms. Enforcement can be based on law, p- fessional norms or informal and implicit norms or customs. Moreover, the regulatory structures or individual mechanisms inside them can be established and sanctioned by public as well as by private...