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...

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

Broken Windows: the metaphor has changed New York and Los Angeles. Yet it is far from undisputed whether the broken windows policy was causal for reducing crime. In a series of lab experiments we show that first impressions are indeed causal for cooperativeness in three different institutional...