Heckman, James Joseph
Determinants of young male schorling and training choices .-- Cambridge (Mss.) : NBER , 1993
.--27 p. 22 cm .-- ( NBER. Working papers;4327 ).
Resumen.- Bibliografía
ASPECTOS ECONOMICOS
EDUCACION
Determinants of young male schorling and training choices .-- Cambridge (Mss.) : NBER , 1993
.--27 p. 22 cm .-- ( NBER. Working papers;4327 ).
Resumen.- Bibliografía
ASPECTOS ECONOMICOS
EDUCACION