, with either a negative externality on a third participant, uncertainty about gains from cooperation, or both. Uncertainty … foster cooperation. If we combine both qualifications and do not control for beliefs, we only find an uncertainty effect. If … expected. -- Oligopoly ; Collusion ; experiment ; Uncertainty ; negative externalities ; prisoner's dilemma …

We study the relation between the number of firms and price-cost margins under price competition with uncertainty about … environment. In line with the theoretical prediction, market prices decrease with the number of firms, but on average stay above …

We compare behavior in modified dictator games with and without role uncertainty. Subjects choose between a selfish …). While costly surplus creating actions are most frequent under role uncertainty (64%), selfish actions become most frequent … without role uncertainty (69%). Also, the frequency of surplus destroying choices is negligible with role uncertainty (1%) but …

uncertainty. Our findings imply that a unifying theory of social risk effects requires new explanations. …

We examine repeated Cournot oligopolies when there is uncertainty about the number of players. Already in the static … game, such uncertainty can imply outputs above Nash. For the repeated game, we argue that the uncertainty may lead to a …

intended to perform defensive acts because of a higher perceived liability risk in Belgium. Methods We assigned 85 practicing … discover diferential treatment styles driven by physicians' perceived liability risk among patients with a diferent critical … are not medically necessary) when experiencing a high liability risk. Conclusions Our results show that patients' critical …

, individual liability (IL) and joint liability (JL)), take-up increases. This is due to heterogeneous borrowers self …

We develop a formal model to compare the incentive effect of strict liability rules in a risky and ambiguous … environment. The firm's business activity entails a risk of technological disaster, which likelihood is a decreasing function of … prevention. To assess our theoretical predictions, we design a lab experiment by varying the legal regime and the environment …

determinants for efficiency in credence goods markets. While theory predicts that either liability or verifiability yields … efficiency, we find that liability has a crucial, but verifiability only a minor effect. Allowing sellers to build up reputation … higher efficiency as long as liability is violated. …