Research Staff
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
The estimation problem in this paper is motivated by maximum score estimation of preference parameters in […]
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We consider a high-dimensional regression model with a possible change-point due to a covariate threshold and […]
We analyze cross-country trends in technological progress over the period of 1980-2011 by examining citations data […]
In this paper, we investigate what can be learned about average counterfactual outcomes when it is […]
In this paper, we propose a general method for testing inequality restrictions on nonparametric functions. Our […]
In parametric, nonlinear structural models, a classical sufficient condition for local identification, like Fisher (1966) and […]
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We provide new conditions for identification of accelerated failure time competing risks models. These include Roy […]
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We present the clrbound, clr2bound, clr3bound and clrtest commands for estimation and inference developed by Chernozhukov […]
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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 […]