| 000 | 00634pam a2200181a 44500 | ||
|---|---|---|---|
| 999 |
_c103510 _d103510 |
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| 008 | 170807b2015 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aKline, Patrick | ||
| 110 | _aNational Bureau of Economic Research | ||
| 245 |
_aEvaluating public programs with close substitute : _bThe Case of head start / _cPatrick Kline and Christopher Walters |
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| 260 |
_aCambridge _bNBER _c2015 |
||
| 300 | _a80p | ||
| 490 |
_aNBER Working Paper ; _v21658 |
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| 650 | _aNBERWP 21658 | ||
| 650 | _aE15831.pdf | ||
| 700 | _aWalters, Christopher | ||
| 856 | _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2015/E15831.pdf | ||
| 942 |
_2ddc _cE |
||