Pre-event Trends in the Panel Event-study Design
收藏数据链接：
官方服务：
资源简介：
We consider a linear panel event-study design in which unobserved confounds may be related both to the outcome and to the policy variable of interest. We provide sufficient conditions to identify the causal effect of the policy by exploiting covariates related to the policy only through the
提供机构：
美国国家经济研究局创建时间：
2018-04-01
