prescriptions and drug costs. We estimate heterogeneous treatment effects by combining physician-level data on antidiabetic …

average treatment effect on the treated, we analyse the influence of establishment’s characteristics and economic environment … consider time-varying treatment and different treatment durations. Our results suggest that investment grants positively impact …

DID estimation through balancing the pre-treatment and post-treatment unobserved common factors. To conduct valid … inference on the average treatment effect, I develop a correction term that adjusts conventional standard errors for weight … the standard errors of the estimated treatment effect by 10% compared to a conventional DID approach. In a second …

unbiased estimators of individual (heterogeneous) treatment effects and a consistent and asymptotically normal estimator of the … average treatment effects, based on forecasting counterfactuals using a short time series of pre-treatment data. We show that … necessary to obtain unbiased estimates of the individual treatment effects. Instead, simple basis function (e.g., polynomial …