In the present paper, we consider the role that observed covariates play in the SC method by characterizing the bias properties of the SC estimator without ... INTRODUCTION · THE ROLE OF COVARIATES...

8 дек. 2017 г. · I am trying to run a synthetic control model using the "synth" command with no predictor variables. I am only trying to match on the dependent variable as in ...

Accepted Wisdom 2: Covariates are unnecessary, especially if a close pre- treatment match for the outcome time-series can be found without them. Accepted Wisdom ...

17 сент. 2021 г. · In this article we propose a set of simple principles to guide empirical practice in synthetic control studies.

6 июл. 2021 г. · We demonstrate both theoretically and empirically that using all outcome lags as separate predictors renders all other covariates irrelevant in such settings.

SCM is superior than Matching Methods because it not only matches on covariates (i.e., pre-treatment variables), but also outcomes. For a review of the method, ...

Synthetic control approaches allow for causal inferences based on similar assumptions to difference-in-differences, but are particularly well suited for ...

25 мар. 2022 г. · You need to choose covariates that are confounders, in particular, a sufficient set of variables to remove confounding.

9 мар. 2018 г. · Potential Consequences of Ignoring the Covariates Above, we have proven that using all pre-treatment values of the outcome variable as separate ...

The results in Table 1 illustrate the potential benefit in terms of the fit of the covariates from using synthetic control methods in studies with a few ...