Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program Joint with A. Diamond and J. Hainmueller (New version: PDF)
Is Terrorism Eroding Agglomeration Economies in Central Business Districts? Lessons from the Office Real Estate Market in Downtown Chicago Joint with S. Dermisi (PDF)
Bias Corrected Matching Estimators for Average Treatment Effects Joint with G. Imbens. (PDF)
On the Failure of the Bootstrap for Matching Estimators Joint with G. Imbens. (PDF)
Estimation of the Conditional Variance in Paired Experiments Joint with G. Imbens. (PDF)
Terrorism and the World EconomyJoint with J. Gardeazabal. (PDF)
Poverty, Political Freedom and the Roots of Terrorism (PDF)
The Impact of Presumed Consent Legislation on Cadaveric Organ Donation: A Cross-Country StudyJoint with S. Gay. (PDF)
Large Sample Properties of Matching Estimators for Average Treatment Effects Joint with G. Imbens. (Article, Additional Proofs)
Semiparametric Difference-in-Differences Estimators (PDF)
The Economic Costs of Conflict: a Case-Control Study for the Basque Country Joint with J. Gardeazabal. (PDF)
Instrumental Variables Estimates of the Effect of Subsidized Training on the Quantiles of Trainee Earnings Joint with J. Angrist and G. Imbens. (PDF)
Bootstrap Tests for Distributional Treatment Effects in Instrumental Variable Models (PDF)
Semiparametric Instrumental Variable Estimation
of Treatment Response Models (PDF)