Journal of Political Economy
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Опубликовано на портале: 15-07-2007
Glenn Ellison, Edward Ludwig Glaeser
Journal of Political Economy.
1997.
Vol. 105.
No. 5.
P. 889-927.
This paper discusses the prevalence of Silicon Valley-style localizations of individual
manufacturing industries in the United States. A model in which localized industry-specific
spillovers, natural advantages, and random chance contribute to geographic concentration
motivates new indices of geographic concentration and coagglomeration. The indices
contain controls that facilitate cross-industry and cross-country comparisons. The
authors find almost all industries to be more concentrated than a random dart-throwing
model predicts but the degree of localization is often slight. They also discuss
which industries are concentrated, the geographic scope of localization, coagglomeration
patterns, and other topics.

