woaiwoj 发表于 2022-2-3 19:04 
楼主解决了吗
解决了,我们的论文已经在国贸领域全球第二的期刊JWB上发表了。stata有专门的命令paramed.
我们的文章是Wang, C., Piperopoulos, P., Chen, S., Alan Au Kai , M., & Herbert, K. (2022). Outward FDI and Innovation Performance of Chinese Firms: Why Can Home-Grown Political Ties Be A Liability. Journal of World Business. doi:10.1016/j.jwb.2021.101306 ,欢迎引用