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...

Recent survey evidence from the United States suggests that most Americans support domestic policies to address climate change, and this support is not conditional on other countries’ commitment levels. The finding is somewhat perplexing because climate change is by definition a collective...