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关注:1
2013-05-23 12:21
求翻译:The model is estimated cross-sectionally each year for every two-digit SIC industry with at least 10 firm year observations.是什么意思?![]() ![]() The model is estimated cross-sectionally each year for every two-digit SIC industry with at least 10 firm year observations.
问题补充: |
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