The theoretical framework of urban and regional economics is built on transportation costs for manufactured goods. But over the twentieth century, the costs of moving these goods have declined by over 90% in real terms, and there is little reason to doubt that this decline will continue. Moreover, technological change has eliminated the importance of fixed infrastructure transport (rail and water) that played a critical role in creating natural urban centres. In this article, we document this decline and explore several simple implications of a world where it is essentially free to move goods, but expensive to move people. We find empirical support for these implications.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
9886.
Length: Date of creation: Aug 2003 Date of revision: Handle: RePEc:nbr:nberwo:9886
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Find related papers by JEL classification: R12 - Urban, Rural, and Regional Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography) R14 - Urban, Rural, and Regional Economics - - General Regional Economics - - - Land Use Patterns
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