In the dictator game, the recipient’s opportunity to send a message to the dictator increases giving. The effect is equally strong if the message is written before or after the dictator has decided (experiment 1). Recipients have a stronger willingness to pay for ex-ante communication, however...

In the dictator game, the recipient's opportunity to send a message to the dictator increases giving. This paperreports two experimentswhich study how the timing of messages affects dictators' decisions (experiment 1) and which value recipients attach to communication opportunities (experiment...

This paper studies the differential effects of fines and damages on people's investment in accident prevention. We report results from a laboratory experiment in which monetary payoffs are maintained across the two policy instruments. While standard theory predicts no difference in behavior, we...

How fair are government decisions based on algorithmic predictions? And to what extent can the government delegate decisions to machines without sacrificing procedural fairness? Using a set of vignettes in the context of predictive policing, school admissions, and refugee-matching, we explore...

The fragmentation of the party system has confronted the German mixed-member proportional electoral system with a trilemma. It can only ensure two out of three goals: proportionality, guaranteed representation of district winners, and a fixed and predictable size of the Bundestag. This paper...

We study experimentally whether and to what extent impartial decision makers are influenced by stakeholders´ fairness opinions in an allocation decision. The setting allows for different focal fairness rules to be considered. We compare communication treatments, in which one of the stakeholders...

We study how participation in decision processes shapes people's behavior towards impartial authorities. In an incentivized laboratory experiment, an impartial decision maker at first decides about the allocation of money between two subordinates. Treatments differ in the opportunity for one...