Brands per category and average expenditures and quantities purchased before and after introduction of the policy.
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https://figshare.com/articles/dataset/Brands_per_category_and_average_expenditures_and_quantities_purchased_before_and_after_introduction_of_the_policy_/9934655
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资源简介：
Brands per category and average expenditures and quantities purchased before and after introduction of the policy.
创建时间：
2019-10-03
