Luc Christiaensen, Joachim De Weerdt, Bert Ingelaere, Ravi Kanbur, 21 April 2021

Despite potentially greater income gains in big cities, migrants from rural areas in developing countries often move to small towns. This column uses survey data from Tanzania to show that distance drives destination in migration decisions, particularly for the poor and for those with no education. This finding explains the seeming paradox of greater migration to small towns than to big cities, and provides a strong argument for a more balanced orientation of development investment between the two. 

Susanne Frick, Andrés Rodríguez-Pose, 14 February 2018

Urban concentration is typically deemed to lead to greater national economic growth. This column challenges this view, using an original dataset covering 68 countries over the past three decades. Urban concentration levels have decreased or remained stable on average, though these averages hide widely diverging trends across countries. Although concentration has been beneficial for high-income countries, this hasn’t been the case for for developing countries.

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