Research Staff

Sokbae (Simon) Lee

Columbia University and IFS

Sokbae is a Professor of Economics at Columbia University. His research focuses on theoretical and applied econometrics.

Selected Publications

Ability, sorting and wage inequality

In this paper we examine the importance of heterogeneity and self-selection into schoolingfor the study of… Continue reading.

Pedro Carneiro, Sokbae (Simon) Lee
30 November 2005 | CWP16/05
Reform of unemployment compensation in Germany: a nonparametric bounds analysis using register data

Economic theory suggests that an extension of the maximum length of entitlement for unemployment benefits increases… Continue reading.

Sokbae (Simon) Lee, Ralf A. Wilke Wilke
20 April 2005 | CWP02/05

Latest version

Reform of unemployment compensation in Germany: a nonparametric bounds analysis using register data
Sokbae (Simon) Lee, Ralf A. Wilke Wilke
1 April 2009 | Journal Article
Endogeneity in quantile regression models: a control function approach

This paper considers a linear triangular simultaneous equations model with conditional quantile restrictions. The paper adjusts… Continue reading.

Sokbae (Simon) Lee
22 October 2004 | CWP08/04

Latest version

Endogeneity in quantile regression models: a control function approach
Sokbae (Simon) Lee
1 December 2007 | Journal Article
Nonparametric estimation of an additive quantile regression model

This paper is concerned with estimating the additive components of a nonparametric additive quantile regression model…. Continue reading.

Joel L. Horowitz, Sokbae (Simon) Lee
1 April 2004 | CWP07/04

Latest version

Nonparametric estimation of an additive quantile regression model
Joel L. Horowitz, Sokbae (Simon) Lee
16 December 2005 | Journal Article
Semiparametric estimation of a panel data proportional hazards model with fixed effects

This paper considers a panel duration model that has a proportional hazards specification with fixed effects…. Continue reading.

Joel L. Horowitz, Sokbae (Simon) Lee
1 March 2004 | Journal Article
Estimating panel data duration models with censored data

This paper presents a method for estimating a class of panel data duration models, under which… Continue reading.

Sokbae (Simon) Lee
1 September 2003 | CWP13/03

Latest version

Estimating panel data duration models with censored data
Sokbae (Simon) Lee
1 October 2008 | Journal Article
Efficient Semiparametric estimation of a partially linear quantile regression model

This paper is concerned with estimating a conditional quantile function that is assumed to be partially… Continue reading.

Sokbae (Simon) Lee
1 February 2003 | Journal Article
Semiparametric estimation of a panel data proportional hazards model with fixed effects

This paper considers a panel duration model that has a proportional hazards specificationwith fixed effects. The… Continue reading.

Joel L. Horowitz, Sokbae (Simon) Lee
3 April 2002 | CWP21/02
Semiparametic methods in applied econometrics: do the models fit the data?

Much empirical research in economics and other fields is concerned with estimating the mean of a… Continue reading.

Joel L. Horowitz, Sokbae (Simon) Lee
1 April 2002 | Journal Article