“Mostly Harmless Simulations? Using Monte Carlo Studies for Estimator Selection,” with Arun Advani and Toru Kitagawa, Journal of Applied Econometrics 34(6), 893–910, 2019 (download postprint; online appendix; published version).

“Average Gaps and Oaxaca–Blinder Decompositions: A Cautionary Tale About Regression Estimates of Racial Differences in Labor Market Outcomes,” forthcoming in Industrial and Labor Relations Review (download postprint; published version).

“A General Double Robustness Result for Estimating Average Treatment Effects,” with Jeffrey M. Wooldridge, Econometric Theory 34(1), 112–133, 2018 (download postprint; published version).

“On the Use of Palynological Data in Economic History: New Methods and an Application to Agricultural Output in Central Europe, 0–2000 AD,” with Adam Izdebski, Grzegorz Koloch and Marta Tycner, Explorations in Economic History 59, 17–39, 2016 (download preprint; published version).

“The Oaxaca–Blinder Unexplained Component as a Treatment Effects Estimator,” Oxford Bulletin of Economics and Statistics 77(4), 588–604, 2015 (download postprint; published version).

Working papers

“Landscape Change and Trade in Ancient Greece: Evidence from Pollen Data,” December 2019, with Adam Izdebski, Anton Bonnier, Grzegorz Koloch and Katerina Kouli, conditionally accepted at The Economic Journal (download; online appendix).

“Interpreting OLS Estimands When Treatment Effects Are Heterogeneous: Smaller Groups Get Larger Weights,” November 2019, R&R at Review of Economics and Statistics (download; online appendix).

“When Should We Interpret Linear IV Estimands as LATE?,” draft coming soon (see also pp. 20–23 and 40–43 of my previous working paper, “A General Weighted Average Representation of the Ordinary and Two-Stage Least Squares Estimands”).

“Doubly Robust IV Estimation of the Local Average Treatment Effect,” with S. Derya Uysal and Jeffrey M. Wooldridge, draft coming soon.

“Abadie's Kappa and Weighting Estimators of the Local Average Treatment Effect,” with S. Derya Uysal and Jeffrey M. Wooldridge, draft coming soon.


hettreatreg. Stata module to compute diagnostics for linear regression when treatment effects are heterogeneous. To download, type “net install hettreatreg, from(” in Stata.

Non-Economics Publications and Publications in Polish

I also have several publications in non-economics journals and/or in Polish. See my vita for details.