International Fellows
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
In a randomized control trial, the precision of an average treatment effect estimator and the power […]
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Economic theory often provides shape restrictions on functions of interest in applications, such as monotonicity, convexity, […]
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In a randomized control trial, the precision of an average treatment e ffect estimator can be […]
Latest version
We consider a high dimensional regression model with a possible change point due to a covariate […]
In this paper, we propose a doubly robust method to present the heterogeneity of the average […]
Multivalued treatment models have only been studied so far under restrictive assumptions: ordered choice, or more […]
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We develop a general class of nonparametric tests for treatment effects conditional on covariates. We consider […]
Previous version
Economic theory often provides shape restrictions on functions of interest in applications, such as monotonicity, convexity, […]
Latest version
The vast majority of immigrants to the United States at the beginning of the 20th century […]
This paper studies inference of preference parameters in semiparametric discrete choice models when these parameters are […]