Research Staff
Sokbae (Simon) Lee
Columbia University and IFS
Selected Publications
This paper is concerned with inference about a function g that is identified by a conditional […]
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This paper develops a concrete formula for the asymptotic distribution of two-step,possibly non-smooth semiparametric M-estimators under […]
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We consider nonparametric estimation of a regression function that is identified byrequiring a specified quantile of […]
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This paper is concerned with identification of a competing risks model with unknown transformations of latent […]
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In this paper we examine the importance of heterogeneity and self-selection into schoolingfor the study of […]
Economic theory suggests that an extension of the maximum length of entitlement for unemployment benefits increases […]
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This paper considers a linear triangular simultaneous equations model with conditional quantile restrictions. The paper adjusts […]
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This paper is concerned with estimating the additive components of a nonparametric additive quantile regression model. […]
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This paper presents a method for estimating a class of panel data duration models, under which […]
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This paper considers a panel duration model that has a proportional hazards specificationwith fixed effects. The […]