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本文介绍的是事件研究法 (event study) 在 stata 中的实现命令 eventdd,该命令由 damian clarke 和 kathya tapia schythe 在 2020 年共同开发。与以往关于事件研究法的介绍不同,本文将侧重于这种方法在倍分法平行趋势检验中的具体应用。 相关理论 事件研究法是一种与倍分法 (did) 相类似的面板事件研究方法. Did, psm 及 did+psm 有何差异? did 要假定不可观测效应随时间变化趋势相同? @慧航 显示全部 关注者 784

Piper Presley Leaked Onlyfans The Story You Need To Know Lasd Leaks

The Piper Presley Onlyfans Leak Whos To Blame
The Piper Presley Onlyfans Leak Whos To Blame

Piper Presley Leaked Onlyfans The Story You Need To Know Lasd Leaks
Piper Presley Leaked Onlyfans The Story You Need To Know Lasd Leaks

What Happened To Piper Presley? The OnlyFans Scandal Timeline Explained
What Happened To Piper Presley? The OnlyFans Scandal Timeline Explained

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