We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments, we study four- and eight-person groups in high and low marginal per capita return (MPCR) conditions. We find a positive effect of group size in the low MPCR condition, as in...

Das Ausbildungsgeschehen in Deutschland lässt sich als kollektive Handlung betrachten. Zur Überwindung des grundsätzlich vorliegenden Trittbrettfahrerproblems tragen Betriebe, die unabhängig von ihrem Fachkräftebedarf rentabel ausbilden können, einen maßgeblichen Anteil bei....

Costless pre-play communication has been found to effectively facilitate coordination and enhance efficiency in games with Pareto-ranked equilibria. We report an experiment in which two groups compete in a weakest-link contest by expending costly efforts. Allowing intra-group communication leads...

Existing theoretical and experimental studies have established that unanimity is a poor decision rule for promoting information aggregation. Despite this, unanimity is frequently used in committees making decisions on behalf of society. This paper shows that when committee members are exposed to...