@article{Blundell2003,
author = {Richard Blundell and James L Powell},
title = {Endogeneity in nonparametric and semiparametric regression models},
journal = {Advances in Economics and Econometrics, Theory and Applications: Eighth World Congress of the Econometric Society},
year = {2003},
month = {Apr},
volume = {II},
number = {8},
pages = {312-357},
url = {},
}