For an intriguing variety of switching processes in nature, the underlying complex system abruptly changes from one state to another in a highly discontinuous fashion. Financial market fluctuations are characterized by many abrupt switchings creating upward trends and downward trends, on time...

An agent decides whether to approve a project based on his information, some of which is verified by a court. An honest agent wants to implement projects that are likely to succeed; a dishonest agent wants to implement any project. If the project fails, the court examines the verifiable information...

Die kommunale Verschuldung und die daraus resultierende Zinsbelastung nehmen stetig zu, so dass es einer Vorgehensweise bedarf, welche entweder die Zinslast senkt oder sie zumindest mit ihren Risiken transparent macht, wenn die Gemeinden langfristig handlungsfähig bleiben wollen. Johannes...