We analyze the effects of ostracism on cooperation in a linear public good experiment with fixed partner design. Our results show that introducing ostracism increases contribution levels. Despite reductions in group size due to ostracism, the net effect on earnings is positive and significant....

Broken Windows: the metaphor has changed New York and Los Angeles. Yet it is far from un-disputed whether the broken windows policy was causal for reducing crime. In a series of lab experiments we put two components of the theory to the test. We show that first impressions and early punishment...

Does probation pay a double dividend? Society saves the cost of incarceration, and convicts preserve their liberty. But does probation also reduce the risk of recidivism? In a meta-study we show that the field evidence is inconclusive. Moreover it struggles with an identification problem: those...

Common research on decision-making investigates non-interdependent situations, i.e., quot;games against naturequot;. However, humans are social beings and many decisions are made in social settings, where they mutually influence each other, i.e., quot;strategic gamesquot;. Mathematical game...

Socio-economic decisions are commonly explained by rational cost vs. benefit considerations, whereas person variables have not usually been considered. The present study aims at investigating the degree to which dispositional power motivation and affective states predict socio-economic...

The structure of a social dilemma lies behind many environmental problems. Mingling temporal aspects of resources with the structure of the social dilemma often leads to wrong conclusions. Therefore, it is worth analytically separating temporal aspects from structural aspects of the dilemma....