NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Gilles Duranton

The Wharton School
University of Pennsylvania
3620 Locust Walk
Philadelphia, PA 19104
Tel: 215/898-2859

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
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NBER Program Affiliations: ITI , PE
NBER Affiliation: Research Associate

NBER Working Papers and Publications

August 2015The Logic of Agglomeration
with William R. Kerr: w21452
This review discusses frontier topics in economic geography as they relate to firms and agglomeration economies. We focus on areas where empirical research is scarce but possible. We first outline a conceptual framework for city formation that allows us to contemplate what empiricists might study when using firm-level data to compare the functioning of cities and industries with each other. We then examine a second model of the internal structure of a cluster to examine possibilities with firm-level data for better exposing the internal operations of clusters. An overwhelming theme of our review is the vast scope for enhancements of our picture of agglomeration with the new data that are emerging.
February 2010Estimating Agglomeration Economies with History, Geology, and Worker Effects
with Pierre-Philippe Combes, Laurent Gobillon, S├ębastien Roux
in Agglomeration Economics, Edward L. Glaeser, editor
September 2009The Fundamental Law of Road Congestion: Evidence from US cities
with Matthew A. Turner: w15376
We investigate the relationship between interstate highways and highway vehicle kilometers traveled (VKT) in US cities. We find that VKT increases proportionately to highways and identify three important sources for this extra VKT: an increase in driving by current residents; an increase in transportation intensive production activity; and an inflow of new residents. The provision of public transportation has no impact on VKT. We also estimate the aggregate city level demand for VKT and find it to be very elastic. We conclude that an increased provision of roads or public transit is unlikely to relieve congestion.

Published: Gilles Duranton & Matthew A. Turner, 2011. "The Fundamental Law of Road Congestion: Evidence from US Cities," American Economic Review, American Economic Association, vol. 101(6), pages 2616-52, October. citation courtesy of

August 2002From Sectoral to Functional Urban Specialization
with Diego Puga: w9112
Striking evidence is presented of a previously unremarked transformation of urban structure from mainly sectoral to mainly functional specialization. We offer an explanation showing that this transformation is inextricably interrelated with changes in firms' organization. A greater variety of business services for headquarters and of sector-specific intermediates for production plants within a city reduces costs, while congestion increases with city size. A fall in the costs of remote management leads to a transformation of the equilibrium urban and industrial structure. Cities shift from specializing by sector -- with integrated headquarters and plants -- to specializing mainly by function -- with headquarters and business services clustered in larger cities, and plants clustered in s...

Published: Duranton, Gilles and Diego Puga. "From Sectoral To Functional Urban Specialisation," Journal of Urban Economics, 2005, v57(2,Mar), 343-370. citation courtesy of

 
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