We carry out an experiment on a macroeconomic price setting game where prices are complements. Despite relevant information being common knowledge and price flexibility we observe significant deviation from equilibrium prices and history dependence. In a first treatment we observe that...

We investigate methods for stimulating cooperation by help of a controlled lab-inthefield experiment. This allows us to compare group-related emotional and cognitive stimuli. The experiment was carried out in a sober classroom and in an emotionally loaded environment, a Bavarian beer garden...

We run a gift-exchange experiment under conditions of monetary neutrality: aggregate changes in nominal wages leave aggregate real wages unchanged. To achieve this, an employee's real wage is determined by the nominal wage divided by the price level (the average wages paid to others). Recent...

Psychology has inspired economics to recognize intentions in addition to outcomes as being relevant for utility and behavior. Reciprocal behavior, in particular, has been related to the kindness of chosen actions and how kindness can be derived from the benefits obtained in unchosen...

classEx is a novel software that allows lecturers to carry out experiments in the classroom with an instantaneous graphical illustration of findings. Standard experiments with multiple treatments, monetary incentives, roles, groups, rounds and stages are available in a ready-made format. A back...