Difference-in-Differences with Variation in Treatment Timing
收藏NBER2018-09-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w25018
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资源简介：
The canonical difference-in-differences (DD) model contains two time periods, pre and post, and two groups, treatment and control. Most DD applications, however, exploit variation across groups of units that receive treatment at different times. This paper derives an expression for this general DD
提供机构：
美国国家经济研究局
创建时间：
2018-09-01
