Matching on the Estimated Propensity Score with G. Imbens (PDF) (new version, an error in the previous version has been corrected, still quite preliminary)
A Martingale Representation for Matching Estimators with G. Imbens (PDF) (new version, Dec. 16, 2009)
Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program with A. Diamond and J. Hainmueller (PDF)
Is Terrorism Eroding Agglomeration Economies in Central Business Districts? Lessons from the Office Real Estate Market in Downtown Chicago with S. Dermisi (PDF)
Bias Corrected Matching Estimators for Average Treatment Effects with G. Imbens. (PDF)
On the Failure of the Bootstrap for Matching Estimators with G. Imbens. (PDF)
Estimation of the Conditional Variance in Paired Experiments with G. Imbens. (PDF)
Terrorism and the World Economy 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 Study with S. Gay. (PDF)
Large Sample Properties of Matching Estimators for Average Treatment Effects 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 with J. Gardeazabal. (PDF)
Instrumental Variables Estimates of the Effect of Subsidized Training on the Quantiles of Trainee Earnings 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)