The effect of schooling and ability on achievement test scores
| Year of publication: |
2004
|
|---|---|
| Authors: | Hansen, Karsten T. ; Heckman, James J. ; Mullen, Kathleen J. |
| Published in: |
Journal of econometrics. - Amsterdam [u.a.] : Elsevier, ISSN 0304-4076, ZDB-ID 1848616. - Vol. 121.2004, 1, p. 39-98
|