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Policy efficiency in the field of food sustainability. The adjusted food agriculture and nutrition index
- Agovino, Massimiliano, Cerciello, Massimiliano, Gatto, Andrea
- Journal of environmental management 2018 v.218 pp. 220-233
- food policy, mathematical models, nutrition assessment
- This work introduces a revised version of the Food Sustainability Index, proposed by the Economist Intelligence Unit and the Barilla Center for Food and Nutrition in 2016. Our Adjusted Food Sustainability Index features two important advantages: 1) it employs the Mazziotta-Pareto method to compute weights, hence granting an objective aggregation criterion and 2) it does not take policy variables into account, thus focusing on the status quo. The policy variables are aggregated into the Policy Index, measuring the quality of the food sustainability policies. We compute the two indices for 25 countries worldwide, then we use the Data Envelopment Analysis to evaluate policy efficiency. Our results show that country-level variation in policy efficiency is wide and policies affect food sustainability significantly, especially when they target nutritional challenges.