NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Did the Death of Distance Hurt Detroit and Help New York?

Edward L. Glaeser, Giacomo A.M. Ponzetto

NBER Working Paper No. 13710
Issued in December 2007
NBER Program(s):   EFG

Urban proximity can reduce the costs of shipping goods and speed the flow of ideas. Improvements in communication technology might erode these advantages and allow people and firms to decentralize. However, improvements in transportation and communication technology can also increase the returns to new ideas, by allowing those ideas to be used throughout the world. This paper presents a model that illustrates these two rival effects that technological progress can have on cities. We then present some evidence suggesting that the model can help us to understand why the past thirty-five years have been kind to idea-producing places, like New York and Boston, and devastating to goods-producing cities, like Cleveland and Detroit.

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Document Object Identifier (DOI): 10.3386/w13710

Published: Did the Death of Distance Hurt Detroit and Help New York?, Edward L. Glaeser, Giacomo A. M. Ponzetto. in Agglomeration Economics, Glaeser. 2010

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