Nigeria

Many formal firms in sub-Saharan Africa only register after operating informally for a few years in order to grow and overcome financial constraints. Evidence from Nigeria suggests that taxes and enforcement – rather than registration costs alone – a...

Generative AI is reshaping education, but whether it strengthens learning or undermines it may depend on how it is used. In a randomised controlled trial in nine public secondary schools in Edo State, Nigeria, we tested a six-week after-school progra...

Introducing new public buses in Lagos improved commuter welfare through lower fares and better service, but also reduced driver incomes and increased wait times in the private sector – highlighting the distributional trade-offs of public transit expa...

In Nigeria, cash transfers to women increase their desire for agency but only when husbands can't see it – revealing the complex interplay between economic empowerment and social norms.

Drawing on a randomised controlled trial among rice farmers in Nigeria, we introduce a new method for linking village-level interventions with high-resolution earth observation data – which captures spatial variation in how new technologies spread an...

How can intermediaries improve consumer welfare in developing countries?

As climate change stretches Nigeria’s dry seasons and disrupts traditional grazing patterns, tensions between nomadic herders and settled farmers fuel violent conflict—most intensely just before the planting season. New research shows how repeated ex...

Gas flaring protects oil companies' profits at the cost of farmers' livelihoods. Can enhanced regulation enable economic growth while sustaining agricultural productivity?

Evidence from Ghana and Nigeria shows that e-waste dumping is causing a health crisis, claiming the lives of newborns and infants living nearby.