“...In recent years, a widespread consensus has emerged about the necessity of establishing bridges between quantitative and qualitative approaches to empirical...”

“...Propensity score matching estimators (Rosenbaum and Rubin (1983)) are widely used in evaluation research to estimate average treatment effects. In this...”

“...Matching estimators are widely used in empirical economics for the evaluation of programs or treatments. Researchers using matching methods often apply the...”

“...Matching estimators for average treatment effects are widely used in evaluation research despite the fact that their large sample properties have not been...”

“...Program evaluation methods are widely applied in economics to assess the effects of policy interventions and other treatments of interest. In this article, we...”

“...It has been argued that terrorism should not have a large effect on economic activity, because terrorist attacks destroy only a small fraction of the stock of...”

“...Consider a researcher estimating the parameters of a regression function based on data for all 50 states in the United States or on data for all visits to a...”

“...This paper reports estimates of the effects of JTPA training programs on the distribution of earnings. The estimation uses a new instrumental variable (IV)...”

“...The difference-in-differences (DID) estimator is one of the most popular tools for applied research in economics to evaluate the effects of public...”

“...The R package Synth implements synthetic control methods for comparative case studies designed to estimate the causal effects of policy interventions and other...”