PIFF: There are all sorts of other incentives that play into human decision-making. One of those things is social incentives. People from less advantaged backgrounds have less money by definition. Their ability to, say, rely on a friend to get by when times are tough, that is ever more salient. That’s a primary coping mechanism for people who are poor, who are relatively disadvantaged. Where there’s an opportunity to connect with someone, when there’s an opportunity to invest in a relationship — in those instances, we would predict you’re most likely to find these rich-poor differences in prosociality that align with what we’ve been finding.


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