Sticky costs materialize when costs increase more with rising an activity than they decrease with falling of the very same amount of the activity. Over time a silent diffusion of sticky costs can be observed in the HoReCa (HOtel/REstaurant/CAtering) industry. In sticky costs literature the cost...

Das zweite Kapitel trägt den Titel "Monetary and Fiscal Policy Interaction in a World with Heterogeneous Expectations."' Ein weiteres mal ist der Untersuchungsgegenstand die Fähigkeit einer Zentralbank, mittels Zinspolitik Preisstabilität in einer Ökonomie mit heterogenen Erwartungen...

Das dritte Kapitel trägt den Titel "Anticipation, Learning and Welfare: the Case of Distortionary Taxation." Es handelt sich hierbei um eine Zusammenarbeit mit Shoujian Zhang. Im Fokus der Untersuchung stehen antizipierte Steuerreformen. Die Individuen in der Ökonomie haben nicht-rationale...

The importance of comprehensive annotations for learning resources is widely recognized. However, it is often unclear how these annotations should be created. A promising solution might be that learners annotate learning resources during execution of learning processes. This paper examines...

In this paper an approach is presented how self-regulated learning can be supported and stimulated by visualising knowledge and competence structures in order to provide visual guidance in the learning process. In the field of adaptive systems and related research techniques of intelligent...

Responsive open learning environments (ROLEs) are characterized through their openness for new configurations, new contents and new users, and through their responsiveness to learners' activities in respect to learning goals. Openness specifically encompasses the ability to include new learning...