Caliendo, Marco; Tübbicke, Stefan - 2021 - This version: March 19,2021
experimental variation in program design is unavailable, we exploit the 2011 reform of the current German SUS program for the … estimate the impact of the reform on the program’s effectiveness using samples of participants and non-participants from before … and after the reform. To control for time-constant unobserved heterogeneity as well as differential selection patterns …