Inference for estimates of treatment effects with clustered data requires great care when treatment is assigned at the group level. This is true for both pure treatment models and difference-in-differences regressions. Even when the number of clusters is quite large, cluster-robust standard...

Cluster-robust inference is widely used in modern empirical work in economics and many other disciplines. The key unit of observation is the cluster. We propose measures of "high-leverage" clusters and "influential" clusters for linear regression models. The measures of leverage and partial...

Does the onset of violent turmoil in an immigrant’s country of origin affect their honesty in economic exchange? We test this question using Egyptian cab drivers in NYC. Native country turmoil could increase demand for remittances or spur anger or anxiety, which could boost cheating, as both...

Chapter 1: A Rationale for the Study of Intersectional Wage Discrimination -- Chapter 2: Theories of Discrimination and a Review of the Related Literature -- Chapter 3: Our Empirical Strategy: Mincer Earnings Functions and the Blinder-Oaxaca Technique -- Chapter 4: Estimating Wage Discrimination...