| 000 | 00446pam a2200169a 44500 | ||
|---|---|---|---|
| 008 | 170807b1994 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a | ||
| 082 | _aNBER TWP148 | ||
| 100 | _aManski, Charles F | ||
| 245 | _aThe Mixing Problem In Program Evaluation | ||
| 260 |
_aCambridge, MA _bNBER _c1994 |
||
| 300 | _a39p | ||
| 490 | _aTechnical Working Papers | ||
| 700 | _aNational Bureau Of Economic Research | ||
| 906 | _a16311 | ||
| 942 |
_2ddc _cG |
||
| 999 |
_c124049 _d124049 |
||