Subways and Urban Growth: Evidence from Earth

52 Pages Posted: 17 Sep 2018 Last revised: 19 Apr 2021

See all articles by Marco Gonzalez-Navarro

Marco Gonzalez-Navarro

UC Berkeley

Matthew Turner

Brown University - Department of Economics

Date Written: September 2018

Abstract

We investigate the relationship between the extent of a city’s subway network, its population and its spatial configuration. For the 632 largest cities in the world we construct panel data describing population, measures of centralization calculated from lights at night data, and the extent of each of the 138 subway systems in these cities. These data indicate that large cities are more likely to have subways but that subways have an economically insignificant effect on urban population growth. Our data also indicate that subways cause cities to decentralize, although the effect is smaller than previously documented effects of highways on decentralization. For a subset of subway cities we observe panel data describing subway and bus ridership. For those cities we find that a 10% increase in subway extent causes about a 6% increase in subway ridership and has no effect on bus ridership.

Suggested Citation

Gonzalez-Navarro, Marco and Turner, Matthew, Subways and Urban Growth: Evidence from Earth (September 2018). NBER Working Paper No. w24996, Available at SSRN: https://ssrn.com/abstract=3246819

Marco Gonzalez-Navarro (Contact Author)

UC Berkeley ( email )

207 Giannini Hall
Berkeley, CA 94720
United States

HOME PAGE: http://www.marcogonzaleznavarro.com

Matthew Turner

Brown University - Department of Economics ( email )

64 Waterman Street
Providence, RI 02912
United States

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