| Summary: | Social norms regulate our behavior in a variety of mundane and far-reaching contexts, from tipping at the restaurant to social distancing during a pandemic. However, how social norms emerge, persist, and change is still poorly understood. Here the authors investigate experimentally whether spontaneously emerging behavioral regularities (i.e., conventions) gain normativity over time and, if so, whether their normative underpinning makes them resistant to changes in economic incentives. To track the coevolution of behavior and normativity, the authors use a set of measures to elicit participants’ first- and second-order normative beliefs and their (dis)approval of other participants’ behaviors. The authors find that even in the limited duration of their lab experiment, conventions gain normativity that makes these conventions resistant to change, especially if they promote egalitarian outcomes and the change in economic incentives is relatively small. These findings advance our understanding of how cognitive, social and economic mechanisms interact in bringing about social change.
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