Publications and Accepted Papers

1. Synthetic Difference In Differences (joint with Susan Athey, David Hirshberg, Guido Imbens, and Stefan Wager) (arxiv link);  American Economic Review 111 (12), 4088-4118

2. Doubly robust identification for causal panel data models (joint with Guido Imbens) (arxiv link);  Econometrics Journal, Volume 25, Issue 3, September 2022, 649–674

3. Fixed Effects and the Generalized Mundlak Estimator (joint with Guido Imbens) (arxiv link); The Review of Economic Studies, rdad089

4. Causal Models for Longitudinal and Panel Data (joint with Guido Imbens) (arxiv link); accepted at Econometrics Journal

Working Papers

1. Design-Robust Two-Way-Fixed-Effects Regression For Panel Data (joint with Guido Imbens, Lihua Lei, and Xiaoman Luo) (arxiv link); conditionally accepted at Quantitative Economics

2. Large-Sample Properties of the Synthetic Control Method under Selection on Unobservables (joint with David Hirshberg) (arxiv link) (reject and resubmit at American Economic Review)

3. On Policy Evaluation with Aggregate Time-Series Shocks (joint with Vasily Korovkin) (arxiv link) (submitted)

4. Flexible Analysis of Individual Heterogeneity in Event Studies: Application to the Child Penalty (joint with Kazuharu Yanagimoto and Tom Zohar) (arxiv link)

5. Sequential Synthetic Difference in Differences (joint with Alexey Samkov) (arxiv link) 

6. Dealing with a Technological Bias: The Difference-in-Difference Approach (download)

Work in Progress