“...We address a debate over the eects of private versus customary property rights on external investment. Despite political economists’ claims that external...”

“...We derive a formal, decision-based method for comparing the performance of counterfactual treatment regime predictions using the results of experiments that...”

“...Political Analysis (2016) We present new methods to estimate causal effects retrospectively from micro data with the assistance of a machine learning ensemble...”

“...We consider conservative variance estimation for the Horvitz-Thompson estimator of a population total in sampling designs with zero pairwise inclusion...”

“...We study issues related to external validity for treatment effects using over 100 replications of the Angrist and Evans (1998) natural experiment on the...”

“...We present current methods for estimating treatment effects and spillover effects under "interference", a term which covers a broad class of situations in...”

“...In these three essays, I study important facets of the transition to peace after Burundi's 1993-2005 civil war. The first essay studies the effects of...”