Agglomeration, accessibility and productivity: Evidence for large metropolitan areas in the US

Patricia C. Melo, Daniel J. Graham, David Levinson, Sarah Aarabi

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

This paper estimates the productivity gains from agglomeration economies for a sample of the largest metropolitan areas in the United States using measures of urban agglomeration based on employment density and employment accessibility. The latter is a more accurate measure of economic proximity and allows testing for the spatial decay of agglomeration effects with increasing travel time. We find that the productivity gains from urban agglomeration are consistent between measures, with elasticity values between 0.07 and 0.10. The large majority of the productivity gains occur within the first 20 minutes, and do not appear to exhibit significant nonlinearities.

Original languageEnglish (US)
Pages (from-to)179-195
Number of pages17
JournalUrban Studies
Volume54
Issue number1
DOIs
StatePublished - Jan 1 2017

Keywords

  • metropolitan areas
  • productivity
  • spatial decay
  • transport accessibility
  • urban agglomeration economies

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