Williams, Benjamin D. - In: Quantitative economics : QE ; journal of the … 10 (2019) 2, pp. 527-563
In this paper, I study identification of a nonseparable model with endogeneity arising due to unobserved heterogeneity. Identification relies on the availability of binary proxies that can be used to control for the unobserved heterogeneity. I show that the model is identified in the limit as...