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Food insecurity and malnutrition remain a global challenge, with poverty being a main cause. Recent events with global repercussions, including the COVID-19 pandemic and Russia’s war of aggression in Ukraine, have created shock waves that disrupt global food trade and inflate prices worldwide. Regional conflicts and environmental megatrends exacerbate the fragility of food systems. In sub-Saharan Africa, droughts and armed conflicts are especially challenging. This study provides a synthesis of rigorous impact evaluations on the effectiveness of capacity strengthening interventions in the area of food security and nutrition with a regional focus on sub-Saharan Africa. 

• Executive Summary (PDF, 410 KB)  Barrierefrei
• Deutsche Zusammenfassung (PDF, 321 KB)  Barrierefrei

• Römling, C., A. Sting, L. Kunert and C. Wicke (2025), The Effects of Capacity Strengthening Interventions on Food Security and Nutrition. Evidence Synthesis of Development Cooperation in Sub-Saharan Africa, German Institute for Development Evaluation (DEval), Bonn.

The research and advisory project aimed to contribute to developing an integrated system for monitoring, evaluation and management in bilateral official development cooperation. In an integrated system, monitoring and evaluation provide information on the achievement of objectives at module, development cooperation programme and country level, enabling adjustments that can increase the effectiveness of German development cooperation. The project involved analysing scientific findings and good practice examples from both international and German development cooperation and developing possible solutions.

• Wolf. K., C. Grywatz, S. Knoll, I. Walsch and M. Bruder (2026), Developing an Integrated System for Monitoring, Evaluation and Management, DEval Discussion Paper 1/2026, German Institute for Development Evaluation (DEval), Bonn.

The authors of this report present a summary of the evidence available on the effects of development cooperation on food and nutrition security. It also presents a rapid evidence assessment that aims to synthesise and appraise the evidence available on the effects of information, capacity strengthening, and behaviour change interventions on food security, nutrition, and environmental food system resilience in Sub-Saharan Africa. The report was commissioned by the German Institute for Development Evaluation (DEval).

• International Initiative for Impact Evaluation(3ie)_Development Cooperation-Food Security and Nutrition

• Lwamba, E., I. Storhaug, S. Pande, P. Marion, D. Cordova-Aruaz, S. Shisler, E. Quiñones, C. Roemling and A. Sting (2026), Development Cooperation for Food Security and Nutrition: Rapid Evidence Assessment on the Effects of Information, Capacity Strengthening, and Behaviour Change
  Interventions on Food Security, Nutrition, and Environmental Food System Resilience in Sub-Saharan Africa. Working Paper 68, London: International Initiative for Impact Evaluation (3ie). Available at: https://doi.org/10.23846/WP0068

This research brief presents evidence clusters, gaps, and methodological patterns that can inform future research in the field of information, capacity strengthening, and behaviour change interventions on food security, nutrition, and environmental food system resilience in Sub-Saharan Africa. This work was commissioned by the German Institute for Development Evaluation (DEval).

• International Initiative for Impact Evaluation(3ie)_Effects of information, capacity strengthening and behaviour change interventions on food security and nutrition in sub-Saharan Africa

• Lwamba, E., I. Storhaug, S. Pande, P. Marion, D. Cordova-Aruaz, S. Shisler, E. Quiñones, C. Roemling and A. Sting (2026), Development Cooperation for Food Security and Nutrition: Rapid Evidence Assessment on the Effects of Information, Capacity Strengthening, and Behaviour Change
  Interventions on Food Security, Nutrition, and Environmental Food System Resilience in Sub-Saharan Africa. Working Paper Brief, London: International Initiative for Impact Evaluation (3ie). Available at: https://doi.org/10.23846/B/WP/202602

Das Ziel dieses Forschungs- und Beratungsprojekts bestand darin, zur Weiterentwicklung eines integrierten Systems für Monitoring, Evaluierung und Steuerung in der staatlichen bilateralen Entwicklungszusammenarbeit (EZ) beizutragen. In einem integrierten System informieren Monitoring und Evaluierung über die Erreichung von Zielen auf Modul-, EZ-Programm- und Länderebene und ermöglichen Anpassungen, um die Wirksamkeit der deutschen EZ zu steigern. Im Rahmen des Projekts sollten wissenschaftliche Erkenntnisse sowie Positivbeispiele in der internationalen und deutschen EZ aufbereitet und Lösungsansätze entwickelt werden. 

• Wolf. K., C. Grywatz, S. Knoll, I. Walsch und M. Bruder (2026), Weiterentwicklung eines integrierten Systems für Monitoring, Evaluierung und Steuerung, DEval Discussion Paper 1/2026, Deutsches Evaluierungsinstitut der Entwicklungszusammenarbeit (DEval), Bonn

Das Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung (BMZ) unterstützt in ihre Herkunftsländer zurückgekehrte Migrant*innen dabei, dort wirtschaftlich und sozial Fuß zu fassen. Aus Rückkehr soll nachhaltige Reintegration werden. Das DEval hat die Wirksamkeit der Maßnahmen des BMZ im Zeitraum von 2017 bis 2023 untersucht. Die Ergebnisse und Empfehlungen der DEval-Evaluierung zu Rückkehr und Reintegration werden in diesem Policy Brief zusammengefasst und analysiert. 

• Bruder, M., J. Erler und F. Leßke (2026), Reintegration nach Rückkehr ins Herkunftsland: Grundlegende Anpassungen empfohlen, DEval Policy Brief 1/2026, Deutsches Evaluierungsinstitut der Entwicklungszusammenarbeit (DEval), Bonn