This paper compares student evaluation of teaching on the web site MeinProf.de to the standard evaluation procedures at German universities. While MeinProf offers the advantage of a broad, publicly available database, a number of theoretical and econometric problems emerge. Many of these...

Using a new panel dataset comprising publication and appointment data for 889 German academic economists over a quarter of a century, we confirm the familiar hypothesis that publications are important for professorial appointments, but find only a small negative effect of appointments on...

We introduce public signals and cognitive dissonance into the standard Allingham-Sandmo- Yitzhaki (ASY) model of tax evasion. It turns out that the pres- ence of cognitive dissonance attenuates tax evasion as individuals dislike allowing their true bevhaviour to diverge from their public...

This paper considers optimal linear tax structures that are differentiated according to group membership. Groups can be heterogeneous with respect to both preferences and abilities. Contrary to most arguments in favour of tax privileges for certain groups, e.g. gender-based taxation, it is shown...

Wir illustrieren den Einsatz von Simulationstechniken zur Betrachtung komplexer Dynamiken in asymmetrischen Konfliktsituationen mit begrenzt rationalen Akteuren. Dazu wird erst ein formaler Modellrahmen entwickelt, dessen Steady state wir bestimmen. Darauf baut eine Umsetzung des Modells in...

This paper deals with discrete labour supply decisions of different groups of persons in response to a change in net wage rates. The centrepiece of this approach is individuals' switching between working time categories, while facing switching costs that arise when people expand or reduce...