Robustness test: exclude firms registered in Beijing, Shanghai, Shenzhen, and Guangzhou.
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https://figshare.com/articles/dataset/Robustness_test_exclude_firms_registered_in_Beijing_Shanghai_Shenzhen_and_Guangzhou_/29799089
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资源简介：
Robustness test: exclude firms registered in Beijing, Shanghai, Shenzhen, and Guangzhou.
创建时间：
2025-08-01
