Graham, B. S., & Powell, J. (2008). Identification and estimation of 'irregular' correlated random coefficient models. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Graham, Bryan S., und James Powell. Identification and Estimation of 'Irregular' Correlated Random Coefficient Models. Cambridge, Mass: National Bureau of Economic Research, 2008.
MLA-Zitierstil (9. Ausg.)Graham, Bryan S., und James Powell. Identification and Estimation of 'Irregular' Correlated Random Coefficient Models. National Bureau of Economic Research, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.