Nature Human Behaviour ( IF 21.4 ) Pub Date : 2022-06-23 , DOI: 10.1038/s41562-022-01379-7 Sebastian Berger 1 , Andreas Kilchenmann 1 , Oliver Lenz 1 , Axel Ockenfels 2 , Francisco Schlöder 1 , Annika M Wyss 1
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Behavioural public policy has received broad research attention, particularly in the domain of motivating pro-environmental behaviours. We investigate how far the efficacy of arguably one the most popular behavioural policy tools (green ‘default change’ nudges) depends on the associated cost. On the basis of a field study involving carbon offsets for over 30,000 flights booked by more than 11,000 airline customers, we show that green defaults have a large effect on voluntary climate action, even when several hundreds of Euros are at stake. The effect fully vanishes only as costs approach approximately €800.
中文翻译：
在成本上升的情况下，气候行动的影响虽大但正在减弱
行为公共政策受到了广泛的研究关注，特别是在激励亲环境行为领域。我们调查了可以说是最流行的行为政策工具之一（绿色“默认变更”推动）的有效性在多大程度上取决于相关成本。根据一项涉及 11,000 多家航空公司客户预订的 30,000 多个航班的碳补偿的实地研究，我们表明，绿色违约对自愿气候行动有很大影响，即使涉及数百欧元。只有当成本接近约 800 欧元时，这种影响才会完全消失。
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