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A systematic review of the impact of food security governance measures as simulated in modelling studies
Nature Food ( IF 23.2 ) Pub Date : 2022-08-15 , DOI: 10.1038/s43016-022-00571-2
Aleid Sunniva Teeuwen 1 , Markus A Meyer 1, 2 , Yue Dou 1 , Andrew Nelson 1
Affiliation  

To effectively address food security, we need tools that assess governance measures (for example, strategic storage reserves, cash transfers or trade regulations) ex ante. Simulation models can estimate the impact of such measures via scenarios with differently governed food systems. On the basis of a systematic review of 110 simulation studies published over 2000–2021, we examined how food security governance has been represented, and identified needs for future simulation model development. We found that studies commonly used agent-based, system dynamics, and computable general equilibrium models; tended to be production, trade or consumption centric; assessed the impact of a wide variety of mostly treasure- or authority-based measures; and applied diverse food security indicators, mostly of access or availability. We also identified blind spots (for example, simulation of nodal measures) and proposed how to address these blind spots (for example, telecoupling) and to make food security governance simulation studies fit for meta-analyses (for example, harmonizing food security indicators for comparison).



中文翻译:

对模拟研究中模拟的粮食安全治理措施的影响进行系统审查

为了有效解决粮食安全问题,我们需要事前评估治理措施(例如,战略储备、现金转移或贸易法规)的工具。模拟模型可以通过具有不同管理的食品系统的情景来估计此类措施的影响。在对 2000 年至 2021 年间发表的 110 项模拟研究进行系统审查的基础上,我们研究了粮食安全治理的表现方式,并确定了未来模拟模型开发的需求。我们发现研究通常使用基于主体的系统动力学和可计算的一般均衡模型;倾向于以生产、贸易或消费为中心;评估了各种主要基于财宝或权威的措施的影响;并应用了多种粮食安全指标,主要是获取或可用性方面的指标。

更新日期:2022-08-16
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