Research Staff
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
We set up an econometric model of persuasion and study identification of key parameters under various […]
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This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting multiple […]
Previous version
This paper describes a method for carrying out non-asymptotic inference on partially identified parameters that are […]
In a randomized control trial, the precision of an average treatment effect estimator and the power […]
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Multivalued treatment models have typically been studied under restrictive assumptions: ordered choice, and more recently unordered […]
Previous version
We set up an econometric model of persuasion and study identification of key parameters under various […]
Latest version
This paper examines the trends in geographic localization of knowledge spillovers via patent citations, considering US […]
Latest version
We show that the generalized method of moments (GMM) estimation problem in instrumental variable quantile regression […]
This paper studies inference of preference parameters in semiparametric discrete choice models when these parameters are […]
We consider a variable selection problem for the prediction of binary outcomes. We study the best […]