Chunrong Ai
Selected Publications
A Unified Framework for Efficient Estimation of General Treatment Models
This paper presents a weighted optimization framework that unifies the binary, multi-valued, continuous, as well as […]
A simple and efficient estimation method for models with nonignorable missing data
This paper proposes a simple and efficient estimation procedure for the model with non-ignorable missing data […]
Semiparametric efficiency bound for models of sequential moment restrictions containing unknown functions
This paper computes the semiparametric efficiency bound for finite dimensional parameters identified by models of sequential […]
Previous version
Semiparametric efficiency bound for models of sequential moment restrictions containing unknown functions
This paper computes the semiparametric efficiency bound for finite dimensional parameters identified by models of sequential […]