I examine treatment effect heterogeneity within an experiment to inform external validity. The local average treatment effect (LATE) gives an average treatment effect for compliers. I bound and estimate average treatment effects for always takers and never takers by extending marginal treatment...

We present a novel framework to characterize the probability that an offered appointment with k-days' access delay will be booked and subsequently attended by a patient. We refer to this probability as the "probability of realization'" of an offered appointment, and demonstrate how empirical...

I examine treatment effect heterogeneity within an experiment to inform external validity. The local average treatment effect (LATE) gives an average treatment effect for compliers. I bound and estimate average treatment effects for always takers and never takers by extending marginal treatment...

Introduction -- Data for health equity analysis: requirements, sources, and sample design -- Health outcome #1: child survival -- Health outcome #2: anthropometrics -- Health outcome #3: adult health -- Measurement of living standards -- Concentration curves -- The concentration index --...