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A divergence statistic for industrial localization
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DOI：10.1162/003465305775098170.png)
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摘要
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We propose a statistical index of industrial localization based on the Kullback-Leibler divergence. This index is particularly well suited to cases where industrial data are available only at the regional level. Unlike existing regional-level indices, our index can be employed to test the significance of industrial localization relative to a hypothesized reference distribution of probable locations across regions. In addition, one can test relative degrees of localization among industries. Finally, as with all Kullback-Leibler divergence indices, our index can be decomposed into components representing localization at various levels of spatial aggregation.
Keyword:
INEQUALITY DECOMPOSITION
GEOGRAPHIC CONCENTRATION
PATTERNS
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