Double trouble on the value of twins-based estimation of the return to schooling

Bibliografische gegevens
Hoofdauteur:	Bound, John
Andere auteurs:	Solon, Gary
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Cambridge National Bureau of Economic Research 1998.
Reeks:	NBER working paper series no.6721
Onderwerpen:	Twins > Education > Econometric models. Wages > Effect of education on > Econometric models.