Das Glücksspielrecht hat in Deutschland zurzeit Konjunktur. Nicht zuletzt weil der Glücksspielstaatsvertrag bis 2011 befristet ist, wird über neue Regelungsmodelle diskutiert. Nach geltendem Recht hängt alles an der Unterscheidung zwischen Glücksspielen und Geschicklichkeitsspielen....

The majority consensus in the empirical literature is that probability weighting functions are typically inverse-S shaped, that is, people tend to overweight small and underweight large probabilities. A separate stream of literature has reported event-splitting effects (also called violations of...

From a normative perspective the order in which evidence is presented should not bias legal judgment. Yet psychological research on how individuals process conflicting evidence sug-gests that order could matter. The evidence shows that decision-makers dissolve ambiguity by forging coherence....

Impaired decision behavior of schizophrenia patients has been repeatedly observed. We investigated the aspects of the jumping to conclusions bias (JTC): biases in information-gathering, information weighting and integration, and overconfidence, using the process tracing paradigm Mouselab, which...

Laboratory experiments by Fudenberg and Pathak (2010), and Vyrastekova, Funaki and Takeuch (2008) show that punishment is able to sustain cooperation in groups even when it is observed only in the end of the interaction sequence. Our results demonstrate that the real power of unobserved...

Criminal procedure is organized as a tournament with predefined roles. We show that assuming the role of a defense counsel or prosecutor leads to role induced bias even if people are highly motivated to give unbiased judgments. In line with parallel constraint satisfaction models for legal...

In many countries, betting in sports is highly regulated. In Germany, however, there are current debates whether regulation should be loosened. A crucial part of the argument is that sport bets could be qualified as games of skill that are considered to be less dangerous by German Law than games...