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‘Robber’ experiment tests generosity — with sobering results

A passer-by stops to give money to a homeless man sitting on the street in Hong Kong

A passer-by gives money in Hong Kong. Such generosity to a single person can coexist with a willingness to take advantage of groups of people, a new experiment shows. Credit: Ed Jones/AFP/Getty

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Nature 596, 166 (2021)




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