Changes in household diet: Determinants and predictability

• 成果类型: Article
• 署名作者: Hut, Stefan; Oster, Emily
• 署名单位: Amazon.com; Brown University; National Bureau of Economic Research
• 刊物名称: JOURNAL OF PUBLIC ECONOMICS
• ISSN/ISSBN: 0047-2727
• DOI: 10.1016/j.jpubeco.2022.104620
• 发表日期: 2022
• 关键词: Dietary choice; HEALTH; Applied microeconomics

摘要

We use grocery purchase data to analyze dietary changes. We show that dietary change is unusual, even in response to significant disease diagnosis or changes in household circumstances. We then identify a small subset of households which show significant dietary changes (either improvements or worsened diet). We use machine learning to predict these households and find dietary concentration is a significant predictor of change. Households tend to change a small subset of food items at a time, suggesting dietary recommendations might be better focused on making smaller, simpler changes rather than broader diet alterations. (C) 2022 Elsevier B.V. All rights reserved.