Løken, Katrine Vellesen - Institutt for Økonomi, Universitetet i Bergen - 2007
, Instrumental Variables, Income and Education
Contact information: katrine.loken@econ.uib.no. I would like to thank Kjell Erik …�394.
Angrist, J. D., and A. B. Krueger (2004): �Instrumental Variables and the
Search for Identi�cation,�NBER Workingpaper 8456 … (1997): �Problems with Instrumental
Variables Estimation When the Correlation between the Instruments and the
Endogenous …