选择架构促进在线食品配送应用程序中的可持续选择
Paul M Lohmann1, Elisabeth Gsottbauer2,3,4, James Farrington5
1El-Erian Institute of Behavioural Economics and Policy, Judge Business School, University of Cambridge, Trumpington Street, Cambridge CB2 1AG, United Kingdom.
PNAS nexus
|October 7, 2024
概括
减少提供食品的碳足迹至关重要. 选择架构的推动,通过重新排序菜单,显著减少了12%的食碳足迹,并改善了食质量.
科学领域:
- 环境科学 环境科学
- 行为经济学是一种行为经济学.
- 营养科学 营养科学
背景情况:
- 粮食系统对全球温室气体排放做出了重大贡献,因此需要采取减缓战略.
- 食品配送应用程序代表着一个不断增长的行业,消费者选择会影响环境足迹.
- 需要有效的干预措施来引导消费者选择低碳食品.
研究的目的:
- 实证地评估不同干预措施在减少食品选择在配送应用程序上的碳足迹方面的有效性.
- 评估肉类税,碳足迹标签和选择架构对消费者行为的影响.
- 调查潜在的副效益,如健康和福祉.
主要方法:
- 一个在线随机对照试验,有4,008名参与者使用模仿食品配送应用程序的交互式网络平台.
- 测试了三个治疗条件:肉类税,碳足迹标签和菜单重新定位 (选择架构).
- 测量了平均饮食碳足迹,高碳饮食选择,营养价值,热量摄入量和自我满意度的变化.
主要成果:
- 只有选择架构干预 (菜单重新定位) 显著减少了12%的平均餐饮碳足迹 (每个订单的0.3公斤CO2e).
- 这一减少是由于高碳饮食选择减少了13%.
- 菜单的重新定位也导致了营养价值更高,卡路里更少,消费者满意度更高的餐点.
结论:
- 菜单重新定位是一种有效的策略,可以减少在配送平台上的食物选择的碳足迹.
- 这种干预对公众健康和消费者福祉有显著的共同益处.
- 选择架构是一个具有成本效益的政策工具,用于食品行业的大规模环境缓解.
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