Research Staff
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
In this paper, we estimate the time-varying COVID-19 contact rate of a Susceptible-Infected-Recovered (SIR) model. Our […]
Datasets that are terabytes in size are increasingly common, but computer bottlenecks often frustrate a complete […]
We investigate identification of causal parameters in case-control and related studies. The odds ratio in the […]
We set up an econometric model of persuasion and study identification of key parameters under various […]
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We compare two groups of the non-student Korean population—native-born South Koreans (SK) and North Korean refugees […]
This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting multiple […]
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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 […]
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We set up an econometric model of persuasion and study identification of key parameters under various […]