Chen David Meng-Chuen, Bodirsky Benjamin, Wang Xiaoxi, Xuan Jiaqi, Dietrich Jan Philipp, Popp Alexander, Lotze-Campen Hermann
Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, Potsdam, Germany.
Humboldt-Universität zu Berlin, Faculty of Life Sciences, Thaer-Institute for Agricultural and Horticultural Sciences, Berlin, Germany.
Nat Food. 2025 Jan;6(1):85-96. doi: 10.1038/s43016-024-01099-3. Epub 2025 Jan 3.
Agricultural production costs represent less than half of total food prices for higher-income countries and will likely further decrease globally. Added-value components such as transport, processing, marketing and catering show increasing importance in food value chains, especially as countries undergo a nutrition transition towards more complex and industrial food systems. Here, using a combined statistical and process-based modelling framework, we derive and project the value-added component of food prices for 136 countries and 11 different food groups, for food-at-home and food-away-from-home. We identify the declining but differentiated producer share in consumer food prices across food products, and provide scenarios of future consumer prices under a business-as-usual as well as climate mitigation scenarios. Food price increases from policies targeting agricultural producers, such as greenhouse gas taxes, are not as stark when transmitted to consumers owing to higher value added in higher-income countries, while a pronounced effect remains in lower-income countries, even in coming decades.
对于高收入国家而言,农业生产成本占食品总价格的比例不到一半,而且在全球范围内可能会进一步下降。运输、加工、营销和餐饮等附加值部分在食品价值链中的重要性日益凸显,尤其是当各国经历营养转型,转向更为复杂的工业化食品体系时。在此,我们使用一个结合了统计和基于过程的建模框架,推导并预测了136个国家和11种不同食品类别在家庭消费食品和外出消费食品方面的食品价格附加值部分。我们确定了各类食品在消费者食品价格中所占份额虽在下降但存在差异的生产者份额,并提供了照常经营情景以及气候缓解情景下未来消费者价格的情景。由于高收入国家附加值较高,针对农业生产者的政策(如温室气体税)导致的食品价格上涨传递给消费者时并不那么明显,而在低收入国家,即使在未来几十年,这种影响仍然显著。