Abstract:Do economic games show evidence of altruistic or self-interested motivations in humans? A huge body of empirical work has found contrasting results. While participants routinely make costly decisions that help strangers, consistent with an evolutionary novel form of altruism, participants also typically learn to pay fewer costs with experience, consistent with self-interested individuals adapting to an unfamiliar environment. Key to resolving this debate is explaining the famous ‘restart effect’, a puzzling … Show more
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