While inequality in resource endowments has been shown to affect cooperation levels in groups, much of this evidence comes from studies of within-group inequality. In an online public goods experiment, we instead examine the effects of payoff-irrelevant inequality in resources between groups on...

The paper starts from the hypothesis that the public good index (PGI) could be much more successful if it were introduced by a more prominent game theorist. It argues that the violation of local monotonicity, inherent to this measure of a priori voting power, can be an asset – especially if...

We study whether poverty can induce affective states that decrease productivity. In a controlled laboratory setting, we find that subjects randomly assigned to a treatment, in which they view a video featuring individuals that live in extreme poverty, exhibit lower subsequent productivity...

Intuitively, people should cheat more when cheating is more lucrative, but we find that the effect of performance-based pay-rates on dishonesty depends on how readily people can compare their pay-rate to that of others. In Experiment 1, participants were paid 5 cents or 25 cents per...