The effect of schooling and ability on achievement test scores
| Year of publication: |
2004
|
|---|---|
| Authors: | Hansen, Karsten T. ; Heckman, James J. ; Mullen, K.J. Kathleen J. |
| Published in: |
Journal of Econometrics. - Elsevier, ISSN 0304-4076. - Vol. 121.2004, 1-2, p. 39-98
|
| Publisher: |
Elsevier |