We used the CRSP database to generate a list of all companies that shared each fraud company's two-digit SICcode.
我们用了CRSP 数据库产生一连串的名单去分享每一个诈骗公司的两位数字的SIC编码。
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The known taxonomy types include NAICS, UNSPSC, SIC, or a geographic code (GEO); the known identifier types include D-U-N-S, Thomas Registry numbers, and US Tax ID.