We document several new facts regarding urbanization and structural change in developing countries and develop a model that can account for them. Most developing countries follow a standard pattern: urbanization is a by-product of either "push" from agricultural productivity growth or a "pull"...

The Human Development Index (HDI), implemented by the United Nations Development Programme, is widely accepted as a metric for the development of economies that can be compared through time and space. This index is a weighted combination of income per capita, life expectancy and education...