Quotas for special groups of students often apply in school or university admission procedures. This paper studies the performance of two mechanisms to implement such quotas in a lab experiment. The first mechanism is a simplified version of the mechanism currently employed by the German central...

This paper studies how different unionisation structures affect firm productivity, firm performance, and consumer welfare in a monopolistic competition model with heterogeneous firms and free entry. While centralised bargaining induces tougher selection among hetero- geneous producers and thus...

The interaction between trade liberalisation, product and process innovation, and relative skill demand is analysed in a model of international oligopoly. Lower trading barriers increase the degree of foreign competition. The competing enterprises respond by investing more aggres- sively in...

This paper studies how imposing norms on contribution behavior affects individuals' intrinsic motivation. We consider an urban area in Germany where the Catholic Church collects a local church levy as a charitable donation, despite the fact that the levy is legally a tax. In cooperation with the...

Using a firm-level panel data set I assess whether dynamic models of investment provide an empirically fruitful framework for analyzing tax effects on changes in capital stock. In particular I estimate a one-step error correction model (ECM) complementing the usual estimation of a distributed...

We investigate the possibility that a decision-maker prefers to avoid making a decision and instead delegates it to an external device, e.g., a coin flip. In a series of experiments the participants often choose lotteries between allocations, which contradicts most theories of choice such as...

We investigate violations of consequentialism in the form of the stochastic dominance property. The property is shared by many theories of choice and implies that the decision-maker prefers receiving the best outcome for sure over all lotteries that involve multiple outcomes. We run experiments...