| 000 | 00501pab a2200181 454500 | ||
|---|---|---|---|
| 008 | 180718b2007 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aLudwig, Jens | ||
| 245 | _aDoes head start improve children's life chances? Evidence from a regression discontinuity design | ||
| 260 | _c2007 | ||
| 300 | _ap.159-208. | ||
| 362 | _aFeb | ||
| 650 | _aHealth services | ||
| 650 | _aChild welfare | ||
| 700 | _aMiller, Douglas L. | ||
| 773 | _aQuarterly Journal of Economics | ||
| 908 | _aN | ||
| 909 | _a75104 | ||
| 999 |
_c75104 _d75104 |
||