Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/281100 
Erscheinungsjahr: 
2023
Schriftenreihe/Nr.: 
Queen’s Economics Department Working Paper No. 1496
Verlag: 
Queen's University, Department of Economics, Kingston (Ontario)
Zusammenfassung: 
We study the effect of treatment on an outcome when parallel trends hold conditional on an interactive fixed effects structure. In contrast to the majority of the literature, we propose identification using time-varying covariates. We assume the untreated outcomes and covariates follow a common correlated effects (CCE) model, where the covariates are linear in the same common time effects. We then demonstrate consistent estimation of the treatment effect coefficients by imputing the untreated potential outcomes in post-treatment time periods. Our method accounts for treatment affecting the distribution of the control variables and is valid when the number of pre-treatment time periods is small. We also decompose the overall treatment effect into estimable direct and mediated components.
Schlagwörter: 
Difference-in-differences
interactive fixed effects
fixed-T
imputation
JEL: 
C31
C33
C38
Dokumentart: 
Working Paper

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