动态DID检验与事件研究法用：政策效果评估实战指南
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stata澶嶅埗forvalues i = 3(-1)1 { gen pre_`i' = (year == policy_year - `i') } gen current = (year == policy_year) forvalues j = 1(1)3 { gen post_`j' = (year == policy_year + `j') }
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stata澶嶅埗xtreg y pre_* current post_* i.year, fe
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| 骞翠唤 | 澶勭悊缁勫钩鍧囧垎 | 瀵圭収缁勫钩鍧囧垎 | 宸垎 | 鍔ㄦ€丏ID绯绘暟 |
|---|---|---|---|---|
| 2018锛堝熀鏈燂級 | 72 | 70 | +2 | - |
| 2019锛堣ˉ璐寸1骞达級 | 75 | 72 | +3 | 0.5* |
| 2020锛堣ˉ璐寸2骞达級 | 82 | 74 | +8 | 1.2鈥?*鈥? |
| 2021锛堣ˉ璐寸3骞达級 | 85 | 76 | +9 | 0.9鈥?*鈥?/td> |
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