Mailing Address:
University of California, Berkeley
Department of Economics
549 Evans Hall #3880
Berkeley, CA 94720-3880

Tel No. (510) 643-0709
Fax No. (510) 642-0638

E-mail Address:

Working Papers

• Endogeneity in Nonparametric and Semiparametric Regression Models, with Richard Blundell, August 2000.(Revised, November 2001.)
• Simple Estimators for Monotone Index Models, with Hyungtaik Ahn and Hidehiko Ichimura, June 2004.
• Simple Estimators for Semiparametric Multinomial Choice Models, with Paul Ruud, March 2008.
• Identification and Estimation of 'Irregular' Correlated Random Coefficient Models, with Bryan Graham, June 2008.