Classifications Data
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https://dataverse.harvard.edu/citation?persistentId=doi:10.7910/DVN/3BAL1O
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资源简介：
<p>
This repository contains metadata on the international classification systems for locations and products presented in <a href="http://atlas.hks.harvard.edu">The Atlas of Economic Complexity</a>. For products, these include HS (1992 and 2012 versions), SITC, and Unilateral Services. Note that these classifications are slightly augmented for use in the Atlas and do not exactly match their base systems.
</p>
<p>
A data dictionary for this repository describing columns within these files can be found under "classification_data_dictionary.csv".
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提供机构：
Harvard Dataverse
创建时间：
2019-05-09
