What is the impact of modern transportation technology on economic change in poor countries? Rail construction in colonial Africa provides a natu-ral experiment. Using new data on railroads and cities over one century within one country, Ghana, and Africa as a whole, we ï¬nd large permanent...

Little is known about the extent and forces of urban path dependence in developing countries. Railroad construction incolonialKenyaprovidesanaturalexperimenttostudytheemer- gence and persistence of this spatial equilibrium. Using new data...