We report a controlled laboratory experiment examining risk-taking and information aggregation in groups facing a … common risk. The experiment allows us to examine how subjects respond to new information, in the form of both privately …

We report an experiment examining risk taking and information aggregation in groups. Group members come to the table … with an individual preference for a choice under risk, based on privately received information, and can share this … information with fellow group members. They then make a decision under risk on behalf of the group using a random dictatorship …

-consequence events. The specific features of this situation under risk and uncertainty imply an anomaly: while the single probability of … effective policies and risk management strategies ... ; eng …