【作者(必填)】Kosuke Imai, In Song Kim

【文题(必填)】When Should We Use Unit Fixed Effects Regression Models for Causal Inference wit

【年份(必填)】American Journal of Political Science, Volume63, Issue2  April 2019  Pages 467-490

【全文链接或数据库名称(选填)】https://onlinelibrary.wiley.com/doi/abs/10.1111/ajps.12417