structure of social environments can enable decision makers to use cognitive tools to navigate uncertainty without needing to …

In an information cascade experiment participants are confronted with artificial predecessors predicting in line with …

Existing theoretical and experimental studies have established that unanimity is a poor decision rule for promoting … responsibility for the committee's decision is equally distributed across all agents. We test our predictions in a controlled … laboratory experiment. As predicted, if unanimity is required, subjects are more truthful, respond more to others' messages, and …

decision. We report results from lab experiments focused on such information-collection processes. We consider decisions … decision accuracies over time. Furthermore, groups using majority rule yield especially hasty and inaccurate decisions …