Calculate Cumulative or sub-gr Treatment Effects
cumuEff(x, cumu = TRUE, id = NULL, period = NULL)
a gsynth
object.
a logical flag indicating whether to calculate cumulative effects or not.
a string vector speicfying a sub-group of treated units that treatment effects are to be averaged on.
a two-element numeric vector specifying the range of term during which treatment effects are to be accumulated. If left blank, atts at all post-treatment periods will be calculated.
esimated (cumulative) atts.
uncertainty estimates for catt
.
Jushan Bai. 2009. "Panel Data Models with Interactive Fixed Effects." Econometrica 77:1229--1279.
Yiqing Xu. 2017. "Generalized Synthetic Control Method: Causal Inference with Interactive Fixed Effects Models." Political Analysis, Vol. 25, Iss. 1, January 2017, pp. 57-76.