1. International Food Policy Research Institute, Washington, DC, USA
2. Arizona State University, Tempe, AZ, USA
3. Poverty, Health, and Nutrition Division, International Food Policy Research Institute, Washington, DC, USA
4. Development Strategy and Governance Division, International Food Policy Research Institute, Washington, DC, USA
5. Social and Economic Policy Unit, UNICEF Office of Research – Innocenti, Florence, Italy
6. Agricultural, Food, and Resource Economics, Michigan State University, East Lansing, USA