The leading global early warning system for acute food insecurity systematically underestimates the scale of crisis-level hunger, missing around one in five people affected. As a result, global assessments significantly understate the scope of global...

Low agricultural productivity in sub-Saharan Africa cannot be explained by farmer behaviour alone, as major supply-side failures in input markets mean improved seeds and fertilisers often fail to reach farmers at the right time, price, or scale. Understanding the risks, incentives, and constraints faced by agro-dealers is essential if technological advances are to translate into sustained productivity gains.

A low-touch information campaign in Tanzania improved farmers’ confidence in the quality of fertiliser, leading to an increase in purchases

Prices don’t always rise after harvest, so rather than store maize and risk selling later at a lower price, farmers may prefer to sell straight away

Incorporating a measure of resilience in anti-poverty programmes can help predict poverty dynamics and sustainability

Evidence from Tanzania shows fertiliser quality is not the problem, rather it is farmers’ perceived belief of bad fertiliser quality that is