New evidence from Africa shows that aid reduces conflict when projects are well managed, but increases violence when management and monitoring are weak.

It is often argued that returns to R&D are low in developing countries, making imported technologies a better path to growth. Yet technologies designed for frontier nations may not fit local conditions, limiting their productivity gains. This column ...

Governments often seek to protect domestic consumers following climate shocks to agricultural production, but these policies may exacerbate global losses.

The rise of a new hub for innovation and entrepreneurship can have large, global benefits by broadening the focus of technology and hence who benefits from it.

Variation in social structure shapes the formation of financial ties and the spillover effects of public policy in East Africa

The rich-world bias of agricultural innovation explains a large share of global disparities in technology adoption and agricultural productivity

The introduction of high-yield crop varieties led to greater entrenchment in the agricultural sector, while reducing urban and industrial growth

Ethnic groups with a social structure based on lineage and strong allegiances to distant relatives show a greater propensity for violent conflict