Распределенная во времени «разность разностей» на примере оценки отдачи от дополнительного профессионального обучения

In this article we introduce econometric model specification that describes time-distributed treatment effect basing on the difference-in-differences approach. It gives us possibility to control for mobility in estimates of wage returns to professional training on the data of a Russian enterprise of 2006–2010. We show that wage growth after some kinds of professional trainings is well explained by the mobility