"This paper examines city formation in a country whose urban population is growing steadily over time, with new cities required to accommodate this growth. In contrast to most of the literature there is immobility of housing and urban infrastructure, and investment in these assets is taken on...

Cover -- Title -- Copyright -- Contents -- Acknowledgments -- Overview Africa's Cities: Opening Doors to the World -- The low development trap - Africa's urban economies are limited to nontradable goods and services -- Crowded, disconnected, and thus costly - Africa's cities are limited to...

Cities in Sub-Saharan Africa are experiencing rapid population growth. Yet their economic growth has not kept pace. Why? One factor might be low capital investment, due in part to Africa's relative poverty: Other regions have reached similar stages of urbanization at higher per capita GDP. This...