Florensy, J.P.; Heckmanz, J. J.; Meghirx, C.; Vytlacil, E. - Geary Institute, University College Dublin - 2008
We use the control function approach to identify the average treatment effect and the effect of treatment on the treated in models with a continuous endogenous regressor whose impact is heterogeneous. We assume a stochastic polynomial restriction on the form of the heterogeneity but, unlike...