cie-did-identification

GitHub

针对《中国工业经济》稿件,指导多期/交错DID及事件研究识别策略。强制要求绘制平行趋势图、执行安慰剂检验,并推荐使用CS/SA等异质性稳健估计替代TWFE以解决负权重偏误,确保实证严谨性。

China-Industrial-Economics-Skills/skills/cie-did-identification/SKILL.md brycewang-stanford/Awesome-Journal-Skills

Trigger Scenarios

涉及多期或交错DID分析 使用TWFE但未处理异质性处理偏误 仅口头陈述平行趋势而未绘图 使用连续型处理强度且假设不清

Install

npx skills add brycewang-stanford/Awesome-Journal-Skills --skill cie-did-identification -g -y
More Options

Non-standard path

npx skills add https://github.com/brycewang-stanford/Awesome-Journal-Skills/tree/main/China-Industrial-Economics-Skills/skills/cie-did-identification -g -y

Use without installing

npx skills use brycewang-stanford/Awesome-Journal-Skills@cie-did-identification

指定 Agent (Claude Code)

npx skills add brycewang-stanford/Awesome-Journal-Skills --skill cie-did-identification -a claude-code -g -y

安装 repo 全部 skill

npx skills add brycewang-stanford/Awesome-Journal-Skills --all -g -y

预览 repo 内 skill

npx skills add brycewang-stanford/Awesome-Journal-Skills --list

SKILL.md

Frontmatter
{
    "name": "cie-did-identification",
    "description": "Use when the identification strategy for a 《中国工业经济》 (China Industrial Economics) manuscript is multi-period \/ staggered DID or an event study. Mandates parallel-trends event-study plots, placebo tests, and modern heterogeneity-robust estimators (Callaway-Sant'Anna, Sun-Abraham, de Chaisemartin-D'Haultfœuille, Goodman-Bacon decomposition) whenever treatment timing varies."
}

识别策略:多期 DID / 事件研究(cie-did-identification)

触发时机

  • 实证主体是 DID / 多期(交错)DID / event-study
  • TWFE 用在交错处理上,但没回应异质性处理偏误
  • 平行趋势只口头说"满足",没画事件研究图
  • 用连续型处理强度(continuous/dose DID)但识别假设没说清

本刊红线(缺一即高危退修)

  1. 平行趋势必须画事件研究图(动态效应 + 95% CI,处理前各期系数应不显著)
  2. 安慰剂检验必做(随机化处理时点/处理对象 500—1000 次,看真实估计是否落在分布尾部)
  3. 交错处理必须用异质性稳健估计——TWFE 在交错+异质性处理效应下有偏(负权重问题)

分支路径

分支 A:标准两期 / 单一时点 DID

  • 平行趋势:事件研究图 + 处理前系数联合检验
  • 安慰剂:随机分配处理组 ≥ 500 次
  • 控制组合理性论证(为什么这些是有效对照)

分支 B:交错(staggered)DID —— 本刊高频

  • 必须做 Goodman-Bacon 分解,报告"坏比较(已处理作对照)"权重
  • 必须改用异质性稳健估计之一并作为主/稳健结果:
    • Callaway & Sant'Anna(2021)group-time ATT
    • Sun & Abraham(2021)交互加权事件研究
    • de Chaisemartin & D'Haultfœuille(2020)did_multiplegt
    • Borusyak et al. 插补估计 / Gardner two-stage
  • 报告 TWFE 与稳健估计的对比,说明结论是否稳定

分支 C:事件研究(event-study)

  • 基准期选择明确(通常 t=-1),不要遗漏共线性陷阱
  • pre-trend 各期不显著;若显著需讨论预期效应/选择性
  • 动态效应图标注处理时点垂直虚线(见 cie-tables-figures

分支 D:连续/强度型 DID

  • 处理强度的外生性论证
  • "强度 × 时点"交互的平行趋势:不同强度组趋势一致
  • 警惕强度与其他冲击共变

分支 E:识别加固(与 PSM-DID 衔接)

  • 分配规则非随机 → PSM-DID(先匹配再 DID,转 cie-robustness
  • 排除同期竞争性政策(剔除其他试点样本/时间窗)

执行桥(StatsPAI / Stata MCP)

把设计跑出来并审计,而不是只做描述。完整映射见 execution-with-mcp。《中国工业经济》偏产业/企业实证,常见政策冲击 DID 与 IV;强调识别与稳健性。

  • detect_designrecommend → 用 as_handle=true 拟合 → audit_result 列出尚欠的检查。
  • **观察性因果:**交错 DID(callaway_santanna / sun_abraham + bacon_decomposition + honest_did_from_result);IV(effective_f_test + anderson_rubin_ci);RDD(rdrobust + mccrary_test)。
  • **实验:**随机化推断 + romano_wolf 做多结果族错误率控制。
  • 敏感性:oster_delta / sensemakr

正文报告经济量级,完整 battery 进附录;每个数字都能复现。端到端真跑示例见 JF 执行 walkthrough。若 StatsPAI/Stata 未连接,改用 resources/code/ 并标注未验证数字。

必查清单

  • 事件研究图已画(动态系数 + 95% CI)
  • 安慰剂检验已做(时点/对象随机化)
  • 交错处理:Bacon 分解 + 异质性稳健估计齐全
  • 标准误聚类层次合理(通常聚类到处理层级,如城市/行业)
  • 回应"预期效应 / 提前响应"
  • 剔除同期竞争性政策的干扰

反模式

  • TWFE + 交错处理却不谈负权重/异质性偏误(本刊会直接退修)
  • "平行趋势满足"一句带过,不画图
  • 安慰剂只换一次处理组就称稳健
  • 聚类到个体却忽视处理在群组层级(低估标准误)
  • 连续 DID 不论证处理强度外生

本刊识别审稿期待与高频退稿模式

审稿期待 达标证据 常见退稿模式
平行趋势可视化 事件研究图 + 处理前联合检验 仅文字"满足"、无图
交错处理不偏 Bacon 分解 + CS/SA/dCDH 主结果 TWFE 跑到底、不提负权重
安慰剂稳健 随机化时点+对象 500—1000 次 只换一次处理组就称通过
聚类合理 聚类到分配层级(城市/行业) 聚类到个体、低估标准误
竞争政策剔除 剔同期试点样本 不提同期政策、识别被混淆

识别类意见是本刊退修的首要触发点;具体口径以编辑部最新外审标准与稿约为准,不臆造拒稿比例。

微型走查:智能制造试点对企业 TFP 的交错 DID

示意稿件:分三批的"智能制造试点示范",TWFE 得 Treat×Post +0.043。按本刊红线走查:诊断为交错处理后做 Goodman-Bacon 分解(示意坏比较权重 18%,不可忽略);改用 Callaway-Sant'Anna,示意聚合 ATT +0.038(与 TWFE 接近,稳定),并列 Sun-Abraham;画 t=-4…+4 事件研究图,处理前联合检验 p=0.42(示意);安慰剂伪试点 1000 次真实 +0.038 落尾部;聚类到城市后标准误升至 0.012 仍 1% 显著。结论:主结果可立,进入 cie-mechanism

审稿人追问 × 本刊语境修法

  • "分批试点还用 TWFE?" → 补 Bacon 分解 + CS/SA 主结果,正文 TWFE 与稳健估计对照。
  • "时点是否被企业预期?" → event-study 展示处理前系数不显著,讨论预期性投资,必要时剔处理前 1 期。
  • "试点城市本就先进,分配非随机?" → 承接 cie-institutional-background 讲遴选规则,预告 PSM-DID。
  • "同期两化融合、宽带中国怎么分离?" → 剔同期试点样本或加其虚拟变量对照。

校准锚点

  • 本刊已刊交错 DID 论文普遍同时报告 TWFE、CS/SA 与事件研究图三件套;具体首选估计量以稿件设计与编辑部最新审稿偏好为准。
  • 上述权重、p 值、系数均为示意数字。估计量选择(CS/SA/dCDH/Borusyak 插补)无唯一正解,应结合处理结构说明取舍理由。

输出格式

【识别策略】两期DID / 交错DID / event-study / 连续DID
【平行趋势】事件研究图 √ / 缺
【安慰剂】时点随机 □ 对象随机 □ / 缺
【交错处理】Bacon分解 □ CS/SA/dCDH 估计 □ / N.A.
【聚类层级】<…>
【缺失检验】<…>
【下一步】cie-mechanism

Version History

  • 1839142 Current 2026-07-05 12:28

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