Under regret theory, decision-makers derive utility both from the outcome of their chosen action and the counterfactual. Evidence for anticipatory regret aversion has been found in oneshot settings, with "regret lotteries" that always reveal outcomes, as a counterfactual on non-entry, being...

Prior work has demonstrated that prosocial incentives - where individuals' effort benefits a charitable organization - can be more effective than standard incentives, particularly when the stakes are low. Yet, little is known about the effectiveness of prosocial incentives on people's decisions...

This research studies a resource pool-choice dilemma, in which a group of resource seekers independently choose between a larger pool containing more resources and a smaller pool containing fewer resources, knowing that the resources in each pool will be divided equally among its choosers, so...