Central place theory predicts that agglomeration can arise from external shocks. This paper investigates whether gold mining is a catalyst for proto-urbanization in rural Ghana. Using cross-sectional data, the analysis finds that locations within 10 kilometers from gold mines have more night...

A business plan competition is conducted to test whether survey instruments or panel judges are able to identify the fastest growing firms. Participants submitted six-to eight-page business plans and defended them before a three-or four-judge panel. Applicants are surveyed shortly after they...

Do matching frictions affect youth employment in developing countries? This paper studies a randomized controlled trial of job fairs in Addis Ababa, Ethiopia. The job fairs match firms with a representative sample of young, educated job-seekers. The meetings at the fairs create very few jobs:...

This paper uses high-resolution satellite data on the proportion of buildings in a 250*250 meter cell to study the evolution of human settlement in Ghana over a 40-year period. The analysis finds a strong increase in built-up area over time, mostly concentrated in the vicinity of roads, and also...

This paper investigates whether social structure helps or hinders factor allocation using unusually rich data from The Gambia. Evidence indicates that land available for cultivation is allocated unequally across households; and that factor transfers are more common between neighbors, co-ethnics,...

This paper investigates whether the prospect of redistribution hinders the formation of efficiency-enhancing groups. An experiment is conducted in a Kenyan slum, Ugandan villages, and a UK university town and used to test, in an anonymous setting with no feedback, whether subjects join a group...