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This paper develops a nonparametric methodology for treatment evaluation with multiple outcome periods under treatment endogeneity and missing outcomes. We use instrumental variables, pre-treatment characteristics, and short-term (or intermediate) outcomes to identify the average treatment...
Persistent link: https://www.econbiz.de/10010249397
We present a unifying identification strategy of dynamic average treatment effect parameters for staggered interventions when parallel trends are valid only after controlling for interactive fixed effects. This setting nests the usual parallel trends assumption, but allows treated units to have...
Persistent link: https://www.econbiz.de/10013556783
if the time dimension of the panel is as small as the number of its regressors. Extensions to panels with time effects …
Persistent link: https://www.econbiz.de/10014393231
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...
Persistent link: https://www.econbiz.de/10011722291
This paper considers identification and estimation of the Quantile Treatment Effect on the Treated (QTT) under a … Assumption that says that the missing dependence is constant over time. Under this assumption and when panel data is available …
Persistent link: https://www.econbiz.de/10012202873
Matching is a widely used program evaluation estimation method when treatment is assigned at random conditional on … are unknown and when they are known. We derive the large sample distribution that accounts for the estimation error of the …
Persistent link: https://www.econbiz.de/10012964498
. This work investigates if machine learning algorithms for estimating the propensity score lead to more credible estimation … and conventional estimation becomes more similar in larger samples and higher treatment shares. …
Persistent link: https://www.econbiz.de/10012165548
. This work investigates if machine learning algorithms for estimating the propensity score lead to more credible estimation … and conventional estimation becomes more similar in larger samples and higher treatment shares. …
Persistent link: https://www.econbiz.de/10012060603
It is standard practice in applied work to rely on linear least squares regression to estimate the effect of a binary variable ("treatment") on some outcome of interest. In this paper I study the interpretation of the regression estimand when treatment effects are in fact heterogeneous.I show...
Persistent link: https://www.econbiz.de/10013012020
heteroskedasticity and are extensions and generalizations of the models considered in Kruiniger (2013. Quasi ML estimation of the panel … Quasi ML estimators (MLEs) for panel AR(1) models with additional regressors. We also consider related GMM estimators. All … individual effects; and we discuss estimation of models with time-varying individual effects. We also discuss how to choose …
Persistent link: https://www.econbiz.de/10012903818