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book chapter

Hidden hunger: Approaches to tackling micronutrient deficiencies

AROUND THE WORLD, more than 2 billion people are thought to be affected by an often invisible form of malnutrition: micronutrient malnutrition, commonly known as hidden hunger.1 Vitamin and mineral deficiencies—at least in mild to moderate forms—may…

Innovation tools
booklet

Building innovative tools

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booklet

Environment and production technology

Agriculture is vitally important to poor and vulnerable people in developing countries, the majority of whom live in rural areas and depend on the land as a source of both food and income. Unpredictable weather, unstable markets, fragile natural…

working paper

Identifying priority value chains in Ghana

This working paper identifies agricultural activities and value chains in Ghana whose expansion is most effective at generating economic growth, reducing national and rural poverty, creating jobs, and improving nutrition by diversifying diets. The…

discussion paper

Correlated non-classical measurement errors, ‘second best’ policy inference and the inverse size-productivity relationship in agriculture

We show analytically and empirically that non-classical measurement errors in the two key variables in a hypothesized relationship can bias the estimated relationship between them in any direction. Furthermore, if these measurement errors are…

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