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Launch of the 3ie Food Systems Evidence Gap Map

In February GIZ commissioned the International Initiative for Impact Evaluation (3ie) and Innovative Methods and Metrics for Agriculture and Nutrition Actions (IMMANA) research group to develop an Evidence Gap Map (EGM) of the effects of food systems interventions on food security and nutrition outcomes. This map can help increase the discoverability of evidence and its use by decision-makers working on policies and programs.

1,838 impact evaluations and 178 systematic reviews were identified for this study. This presentation will discuss the main findings of the 3ie food systems evidence gap map, its potential uses, and the implications of this effort for future policy and research.


  • Martin Hoppe, Head of division, Food and Nutrition Security, Global Food Policy, Fisheries, BMZ
  • Christoph Langenkamp, Programme Director, Knowledge for Nutrition (K4N);
  • Thalia Sparling, Postdoctoral Fellow, Innovative Metrics and Methods for Agriculture and Nutrition Actions (IMMANA);
  • Marie Ruel, Director of Poverty, Health, and Nutrition Division, International Food Policy Research Institute (IFPRI); and
  • Charlotte Lane, Evaluation Specialist, 3ie

Chair: Josh Furgeson, Senior Research Fellow, 3ie

The event is a part of a series of events 3ie will be hosting on nutrition in January 2021.

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