Blundell, Richard . Advances in economics and econometrics: theory and applications, ninth world congress / edited by Richard Blundell and Whitney K. Newey and Torsten Persson. - Cambridge : Cambridge University Press , 2006 - vol 3 ; ISBN: 0-521-69208-3 Subjects--Topical Terms: Economics-Congresses Dewey Class. No.: X / P6.1;1