قارن الطرق

	دراسة الحدث اللوحية القوية	نموذج التأثيرات الثابتة لبيانات السلاسل الزمنية المقطعية
المجال	الاستدلال السببي	الاقتصاد القياسي
العائلة	Regression model	Regression model
سنة النشأة	2021	2014
صاحب الطريقة	Sun & Abraham (2021); Freyaldenhoven, Hansen, Shapiro & Weidner (2021)	Hsiao (textbook treatment); within transformation of panel data
النوع	Quasi-experimental / causal inference	Panel data regression
المصدر التأسيسي	Sun, L., & Abraham, S. (2021). Estimating dynamic treatment effects in event studies with heterogeneous treatment effects. Journal of Econometrics, 225(2), 175-199.	Hsiao, C. (2014). Analysis of Panel Data (3rd ed.). Cambridge University Press.
الأسماء البديلة	robust event-study estimator, heteroskedasticity-robust panel event study, staggered-robust event study, robust ES design	fixed effects model, within estimator, panel fixed-effects regression, Panel Veri — Sabit Etkiler Modeli
ذات صلة	4	5
الملخص	A robust panel event study extends the standard panel event study design by applying heteroskedasticity- and autocorrelation-robust (HAC) standard errors and, where staggered treatment adoption exists, interaction-weighted estimators that remain valid even when treatment effects are heterogeneous across cohorts and time periods. It is widely used in economics, finance, and policy research to trace the dynamic causal path of an intervention.	The Panel Data Fixed Effects model estimates relationships from panel data (the same units observed over several time periods) while controlling for unit- and/or time-specific effects, supporting causal inference. It is developed as the within estimator in standard treatments such as Hsiao's Analysis of Panel Data (2014).