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...

The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption or on the availability of an instrument. When available, instruments may also be used to test for the unconfoundedness assumption (exogeneity of the...

The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption or on the availability of an instrument. When available, instruments may also be used to test for the unconfoundedness assumption (exogeneity of the...

Die staatlichen Aktivitäten haben vielfältige Konsequenzen auf die privaten Haushalte. Häufig bleiben die finanziellen Effekte staatlichen Handelns jedoch im Dunkeln. Für den Gebietsstand der Bundesrepublik Deutschland nach 1990 existiert kein empirisches Mikrosimulationsmodell, das die...