We investigate corruption as a social dilemma by means of a bribery game in which a risk of collective sanction of the … over time. Reducing the size of the groups while increasing the probability of collective sanction diminishes the officials …

efficiency of the verification technology, namely on the percentage of the "filtered out" illegal laborers in relation to the … fraction of reassigned managers. If this efficiency is not high enough, the sanctions bring in their wake consequences that fly …

cash benefit is withdrawn for three months. A second sanction of the same type within one year implies a complete benefit … unobservables into account. Our results suggest that both the first and the second sanction increase the probability of finding a … job, but that these jobs go along with lower earnings due to first but not the second sanction. Moreover, first sanctions …

there is a tradeoff as to efficiency and inequality with respect to services that are contracted to private companies in a …

experiment whether gossip affects the efficiency of human interactions. We let subjects play a trust game. Third parties observe … possibility of gossip is highly efficiency-increasing compared to a situation without any gossip. In two further control … treatments, we show that the mere fact of being observed by third parties cannot explain the efficiency-increasing effect of …