Around the world, countries are becoming urbanized at an astonishing pace. As countries develop economically, their economies shift from mainly rural and agrarian to increasingly urban and nonagricultural. This rural-urban transformation presents both opportunities and challenges for...

The process of rural-urban transformation presents both opportunities and challenges for development. If managed effectively, it can result in growth that benefits everyone; if managed poorly, it can lead to stark welfare disparities and entire regions cut off from the advantages of agglomeration...