Panel effects have been widely studied in randomly composed panels. However for many courts, panel composition stays constant. Then judges become familiar with each other. They know what to expect from each other. There is room for mutual trust. A local culture may emerge. If rejection is the...

The German Constitutional Court is radically different from the (mostly US) courts in which panel effects have been studied so widely. On the one hand, to a large extent, ideological and gender bias are neutralized by design. On the other hand, panels are not randomly composed. This makes it...

In this paper it is tested which of the various alternative approaches for constructing knowledge spillover pools suggested in existing literature measures the extent to which a firm can costlessly receive external knowlegde best. Since knowledge spillovers are unmeasurable, a 'goodness of fit'...

In this paper it is tested which of the various alternative approaches for constructing knowledge spillover pools suggested in existing literature measures the extent to which a firm can costlessly receive external knowlegde best. Since knowledge spillovers are unmeasurable, a 'goodness of fit'...

In economics and other social sciences, complex processes are often represented by numerical models of reality which more or less well reflect behavioral relationships and interactions. Such attempts are the subject of a lecture course "Mathematical Theory of Democracy" by the author at the...

Despite controversial debates about the social acceptability of its nationalist program, the rightwing populist AfD has recently entered all state parliaments as well as the federal parliament in Germany. Although professed AfD voters faced a likely risk of social stigmatization, electoral...

This paper investigates the effect of aggregate-level information shocks regarding support for a populist right-wing party on the individual disposition to report a respective political preference in survey interviews. Despite controversial debates about the social acceptability of its...

In this paper, I suggest an empirical framework for the analysis of mothers' labor supply and child care choices, explicitly taking into account access restrictions to subsidized child care. This is particularly important for countries such as Germany, where subsidized child care is rationed and...

We study spatio-temporal variation of peer effects in rooftop photovoltaics adoption of households. Our investigation employs locational data on potential adopters and a geocoded data set of all grid-connected photovoltaic systems set up in Germany through 2010. The detailed locational data...

This paper presents an empirical framework for the analysis of mothers' labor supply and child care choices, explicitly taking into account access restrictions to subsidized child care. This is particularly important for countries such as Germany, where subsidized child care is rationed and...