Manski, Charles F.
Monotone instrumental variables with an application to the returns to schooling .-- Cambridge (Mass.) : National Bureau of Economic Research , 1998
.--44 p. graf.;tabl. tabl.;22 cm. .-- ( NBER technical working papers;224 ).
Resumen.- Bibliografía.-Conclusiones
Monotone instrumental variables with an application to the returns to schooling .-- Cambridge (Mass.) : National Bureau of Economic Research , 1998
.--44 p. graf.;tabl. tabl.;22 cm. .-- ( NBER technical working papers;224 ).
Resumen.- Bibliografía.-Conclusiones