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

Xehetasun bibliografikoak
Egile nagusia:	Bound, John
Beste egile batzuk:	Solon, Gary
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Cambridge National Bureau of Economic Research 1998.
Saila:	NBER working paper series no.6721
Gaiak:	Twins > Education > Econometric models. Wages > Effect of education on > Econometric models.