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