000 | 00487pam a2200181a 44500 | ||
---|---|---|---|
008 | 170807b1998 xxu||||| |||| 00| 0 eng d | ||
020 | _a | ||
082 | _a6391 | ||
100 | _aTyler, John H | ||
245 | _aEstimating the impact of the ged on the earnings of young dropouts using a series of natural experiments | ||
260 |
_aCambridge, MA _bNBER _c1998 |
||
300 | _a36p | ||
490 | _a | ||
700 | _aWillett John B | ||
700 | _aMurnane Richard J | ||
906 | _a40997 | ||
942 |
_2ddc _cG |
||
999 |
_c131834 _d131834 |