TY - BOOK AU - Blundell, Richard AU - Newey, Whitney K. AU - Persson, Torsten TI - Advances in economics and econometrics: : theory and applications, ninth world congress T2 - Econometric society monographs SN - 0521692083 U1 - 330.183 PY - 2007/// CY - Cambridge PB - Cambridge University Press ER -