Recent Working Papers

Testing Mechanisms (with Soonwoo Kwon). 2024.
[ Abstract | Draft ]

Interpreting Event-Studies from Recent Difference-in-Differences Methods. 2024.
[ Abstract | Draft ]

Design-Based Uncertainty for Quasi-Experiments (with Ashesh Rambachan). 2024. Reject and resubmit, JASA.
[ Abstract | Draft ]

Published and Forthcoming Papers

(Empirical) Bayes Approaches to Parallel Trends (with Soonwoo Kwon). 2024. AEA P&P
[ Abstract | Draft | Appendix ]

Logs with zeros? Some problems and solutions [Previously titled “Log-like? Identified ATEs defined with zero-valued outcomes are (arbitrarily) scale-dependent”] (with Jiafeng Chen). 2024. Quarterly Journal of Economics
[ Abstract | Draft ]

Efficient Estimation for Staggered Rollout Designs (with Pedro Sant’Anna). 2023. Journal of Political Economy Microeconomics
[ Abstract | Draft | Packages: R Stata ]

Inference for Linear Conditional Moment Inequalities (with Isaiah Andrews and Ariel Pakes). 2023. Review of Economic Studies
[ Abstract | Draft | Previous version | Matlab package ]

A More Credible Approach to Parallel Trends [Previously titled “An Honest Approach to Parallel Trends”] (with Ashesh Rambachan). 2023. Review of Economic Studies
[ Abstract | Draft | Supplement | Packages: R Stata | JMP Version (old) ]

What’s Trending in Difference-in-Differences? A Synthesis of the Recent Econometrics Literature (with Pedro Sant’Anna, Alyssa Bilinski, and John Poe). 2023. Journal of Econometrics
[ Abstract | Draft ]

When Is Parallel Trends Sensitive to Functional Form? (with Pedro Sant’Anna). 2023. Econometrica
[ Abstract | Draft | Longer version (old) ]

Pre-test with Caution: Event-study Estimates After Testing for Parallel Trends. 2022. American Economic Review: Insights
[ Abstract | Draft | Appendix | Packages: R Stata Shiny | Longer Version (old) | Replication ]

An Outcome Test of Discrimination for Ranked Lists (with Guillaume Saint-Jacques and YinYin Yu). 2022. 2022 ACM Conference on Fairness, Accountability, and Transparency (FAccT 2022)
[ Abstract | Draft ]

Why Do Sectoral Employment Programs Work? Evidence from WorkAdvance (with Lawrence F. Katz, Richard Hendra, and Kelsey Schaberg). 2022. Journal of Labor Economics
[ Abstract | Draft ]

Bias In, Bias Out? Evaluating the Folk Wisdom (with Ashesh Rambachan). 2020. 1st Symposium on the Foundations of Responsible Computing (FORC 2020)
[ Abstract | Draft ]

Inactive Working Papers

Union Reform and Teacher Turnover: Evidence from Wisconsin’s Act 10. 2019.
[ Abstract | Draft ]


Comments and Revised Findings for “Procedural justice training reduces police use of force and complaints against officers” (with Pedro Sant’Anna, George Wood, Andrew Papachristos, and Tom Tyler). 2020.
[ Abstract | Initial Letter | Reanalysis ]