Kristian Behrens, Giordano Mion, Yasusada Murata, Jens Südekum, 09 November 2011

People spend years of their lives shuffling from city to city and countless amounts of money sending goods along similar journeys – a result of so-called ‘spatial frictions’. This columns asks whether these frictions matter for the size distribution of cities, the sizes of individual cities, and the productivity of cities. The short answers are: no, yes, and it depends.


CEPR Policy Research