A long-standing - although not uncontested - view is that violent conflicts reduce average levels of trust. Other theoretical and empirical work emphasizes discriminatory effects, namely that conflicts may enhance ingroup trust and erode out-group trust. The present study combines a trust game...

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...

Violent conflict is sometimes believed to provoke discrimination, but sometimes also seen to reduce pro-sociality in general. While discrimination may reinforce conflict, a lack of pro-sociality hinders peace reconciliation, social capital formation and development. We test which of these...