When estimating the effects of treatments defined by complex formulas, researchers often use simple functions of… Continue reading.

We propose a new model in which relationship-specific supply and demand shocks are non-parametrically identified in… Continue reading.

Sample selection is pervasive in applied economic studies. This paper develops semiparametric selection models that achieve… Continue reading.

Multidimensional heterogeneity and endogeneity are important features of a wide class of econometric models. With control… Continue reading.