Research Staff
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
We provide new conditions for identification of accelerated failure time competing risks models. These include Roy […]
Previous version
We present the clrbound, clr2bound, clr3bound and clrtest commands for estimation and inference developed by Chernozhukov […]
Latest version
The Cold War division of Korea, regarded as a natural experiment in institutional change, provides a […]
This paper develops maximum score estimation of preference parameters in the binary choice model under uncertainty […]
Latest version
We develop a practical and novel method for inference on intersection bounds, namely bounds defined by […]
Previous version
This paper develops tests for inequality constraints of nonparametric regression functions. The test statistics involve a […]
Previous version
In parametric models a sufficient condition for local identification is that the vector of moment is […]
Latest version
Previous version
We develop a practical and novel method for inference on intersection bounds, namely bounds defined by […]
Latest version
Previous version
This paper is concerned with developing uniform confidence bands for functions estimated nonparametrically with instrumental variables. […]
Previous version
Studies have shown a decreasing trend in the U.S. gender earnings gap since the 1980s. The […]