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英文文献：Relative Entropy As A Measure Of Metropolitan Market Concentration In Food Retailing
英文文献作者：Sporleder, Thomas L.
英文文献摘要：
Relative entropy measures may be utilized as market rather than aggregate concentration measures, which presume no correspondence between the industry and markets. Since there are important structural categories of retail outlets within the food retailing industry, relative entropy measures applied to these categories for individual metropolitan markets offer a more refined quantification of concentration propensities than other, more traditional, concentration measures.
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