Alternative methods for evaluating the impact of interventions : An overview
| Year of publication: |
1985
|
|---|---|
| Authors: | Heckman, James J. ; Robb, Richard Jr. |
| Published in: |
Journal of Econometrics. - Elsevier, ISSN 0304-4076. - Vol. 30.1985, 1-2, p. 239-267
|
| Publisher: |
Elsevier |