“...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...”

“...Policymakers are often interested in estimating how policy interventions affect the outcomes of those most in need of help. This concern has motivated the...”

“...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...”

“...In the U.S., Great Britain and in many other countries, the gap between the demand and the supply of human organs for transplantation is on the rise, despite...”

“...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...”

“...This article considers the problem of assessing the distributional consequences of a treatment on some outcome variable of interest when treatment intake is...”