Jonathan Roth, Pedro H. C. Sant'Anna
arXiv 2 Feb 2021 · Econometrics · publishedJournal of Political Economy Microeconomics (2023) · 3 citations (OpenAlex)
arXiv:2102.01291 · PDF · DOI · OpenAlex · Extracted main text
We study estimation of causal effects in staggered rollout designs, i.e. settings where there is staggered treatment adoption and the timing of treatment is as-good-as randomly assigned. We derive the most efficient estimator in a class of estimators that nests several popular generalized difference-in-differences methods. A feasible plug-in version of the efficient estimator is asymptotically unbiased with efficiency (weakly) dominating that of existing approaches. We provide both $t$-based and permutation-test-based methods for inference. In an application to a training program for police officers, confidence intervals for the proposed estimator are as much as eight times shorter than for existing approaches.
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The works this paper leans on most, across its whole bibliography — not restricted to papers in our corpus. Ranked by composite intensity, which combines how often a work is mentioned, how many sections mention it, and how much of that falls in the main text rather than the appendix.
| Reference | Intensity | Mentions | Sections | Main text | |
|---|---|---|---|---|---|
| 1 | de Chaisemartin and D'Haultfoeuille (2020) Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects | 1.000 | 12 | 3 | 100% |
| 2 | Athey and Imbens (2022) Design-based analysis in Difference-In-Differences settings with staggered adoption | 1.000 | 8 | 3 | 100% |
| 3 | Wood, Tyler and Papachristos (2020) Procedural justice training reduces police use of force and complaints against officers | 0.961 | 9 | 3 | 89% |
| 4 | Callaway and Sant'Anna (2021) Difference-in-Differences with multiple time periods | 0.914 | 34 | 6 | 76% |
| 5 | Sun and Abraham (2021) Estimating dynamic treatment effects in event studies with heterogeneous treatment effects | 0.888 | 20 | 4 | 70% |
| 6 | Wood, Tyler, Papachristos, Roth and Sant'Anna (2020) Revised Findings for “Procedural justice training reduces police use of force and complaints against officers self | 0.888 | 20 | 4 | 70% |
| 7 | Lin (2013) Agnostic notes on regression adjustments to experimental data: Reexamining Freedman’s critique | 0.874 | 15 | 2 | 100% |
| 8 | Li and Ding (2017) General Forms of Finite Population Central Limit Theorems with Applications to Causal Inference | 0.874 | 12 | 3 | 67% |
| 9 | McKenzie (2012) Beyond baseline and follow-up: The case for more T in experiments | 0.874 | 6 | 2 | 100% |
| 10 | Wu and Ding (2021) Randomization Tests for Weak Null Hypotheses in Randomized Experiments | 0.843 | 5 | 3 | 60% |
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