I propose two new tests of Falk and Knell's (2004)prediction that individuals'reference income increases with ability. To overcome the difficulty that the reference income is not observed in existing large data sets, I extend Falk and Knell's model to establish a link between immigrants'...

The title of this contribution is a question with a double meaning: On the one hand it refers to the method, on the other hand it refers to the results of German unification. After a preview of recent evaluations we discuss comparisons of the Federal Republic and the GDR from the 1960s, 1970s,...

Im Mittelpunkt dieses Arbeitspapiers steht die Frage, wie lebenswert die bundesdeutsche Gesellschaft ist. Wie die Untersuchung zeigt, nehmen die Bürger eine ganze Reihe von Problemen wahr: Defizite bei Chancengleichheit und Gleichberechtigung ebenso wie Mängel beim Schutz vor Kriminalität und...