韩科

教授

博士生导师 硕士生导师

入职时间:2020-02-17

办公地点:九里校区零号教学楼

在职信息:在岗

毕业院校:宾夕法尼亚州立大学(Penn State University)

论文成果

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Combating food waste in imperfect agricultural products with quality decay over two periods

影响因子:7.3
DOI码:10.1016/j.cie.2026.112260
发表刊物:Computers & Industrial Engineering
摘要:Fresh agricultural products are highly perishable and account for a large share of retail-level food waste. In addition to spoilage-induced losses, a major portion of waste arises from aesthetic screening, whereby retailers reject cosmetically imperfect yet edible products. This study examines how a retailer manages imperfect products by considering three prevalent strategies: discarding imperfect products, bundling them with perfect products, and selling the two grades separately. We formulate a two-period decision framework that incorporates the quality decay over time and quantifies the resulting multiple forms of waste. Our findings indicate that, relative to the discarding strategy, differentiating substantially reduces food waste and can even eliminate it when the inventory is moderate, whereas bundling performs better when inventory level is high. Interestingly, reducing the share of imperfect products or enhancing perceived quality of imperfect products may increase overall waste. Furthermore, the optimal strategy shifts from bundling to differentiating as the inventory increases, potentially leading to greater waste. Finally, reducing food waste does not necessarily improve consumer surplus or social welfare.
论文类型:期刊论文
论文编号:112260
卷号:220
是否译文:
发表时间:2026-07-20
收录刊物:SCI
发布期刊链接:https://doi.org/10.1016/j.cie.2026.112260

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