We investigate the effect of group versus individual decision-making in the context of risky investment decisions in which all subjects are fully informed of the probabilities and payoffs. Although there is full information, the lottery choices pose cognitive challenges so that people may not be...

Using a threshold public good experiment, we examine how varying degrees of inequality in resources and differences in risk of loss among players affect the success of group efforts to avoid a common loss. We find that when the poor face greater risk than the rich, contributions and success in...