Research Overview

Research Interests

• Econometric Theory

Courses Offered (subject to change)

• ECO 483:  Introduction to Mathematical Statistics (first half)
• ECO 484:  Introduction to Econometrics (second half)
• ECO 230:  Economic Statistics

Selected Publications

Publications

• Dummy Endogenous Variables in Weakly Separable Models, with Edward Vytlacil, Econometrica, 2007, Vol. 75, No. 3:757-779.
• Identifying Misspecified Propensity Score and Program Evaluation, with Azeem M. Shaikh, Marianne Simonsen and Edward Vytlacil, Journal of Econometrics, 2009, Vol. 151, No. 1:33-46.
• Consistency of Plug-In Estimators of Upper Contour and Level Sets, Econometric Theory, 2012, Vol. 28, No. 2:309-327.
• Identification of Parameters in an Asymmetric Perfect Information Game, Economics Letters, 2011, Vol. 112, No. 3:243-246.
• Jackknife CUE with Nearly Singular Design and Many Weak Moment Asymptotics, with Mehmet Caner, Journal of Econometrics, 2012, Vol. 170, No. 2:422-441.
• Estimation of Binary Choice Models with Linear Index and Dummy Endogenous Variables, Econometric Theory, 2013, Vol. 29, No. 2: 354-392.
• Orthogonal Polynomials for Semiparametric Instrumental Variables Model, with Yevgeniy V. Kovchegov, forthcoming at ESAIM: Probability and Statistics.
• Identification of a Nonparametric Panel Data Model with Unobserved Heterogeneity and Lagged Dependent Variables, Economics Letters, 2015, Vol. 132, 133-135.

Working Papers

• Multiple Discrete Endogenous Variables in Weakly Separable Triangular Models, with S. J. Jun, J. Pinkse and H. Xun.
• A Discontinuity Test for Identification in Triangular Nonseparable Models, with M. Carolina Caetano and Christoph Rothe.
• Testing Essential Heterogeneity Of Partial Effects Using A Discontinuously Distributed Covariate, with Umair Khalil.
• Identification and Estimation of a Triangular model with Multiple Endogenous Variables and Insufficiently Many Instrumental Variables, with Liquan Huang and Umair Khalil.