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August 13, 2026Agribusiness

Household Refrigerators as the “Last Mile” of the Cold Chain: Impacts on Dietary Quality in Rural China

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Overview

Randomized trial estimates refrigerator ownership's effect on dietary quality in rural China, suggesting educational policies are necessary.

Key Points

  • This study investigates the effect of household refrigerator ownership on dietary quality in rural China.
  • Analyzed household panel data from the Fixed Observation Rural Survey covering 2003-2018.
  • Estimated effects using two-way fixed effects and instrumental variables based on appliance subsidies.
  • Employed event-study diagnostics and heterogeneity-robust difference-in-differences estimators.
  • Refrigerator ownership reduces dependence on cereals and increases consumption of fruits, eggs, aquatic products, and soybeans.
  • Increased meat and cooking oil intake, while carbohydrates decreased and fat increased, leaving total energy intake stable.
  • Nutritional impacts vary with health education, purchasing power, and regional food culture.

Cite This Study

A 2026 study studied this question.

synapsesocial.com/papers/6a7d75c72b0e0cff3f63e8eahttps://doi.org/10.1002/agr.70148
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